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Recent questions tagged triangles
Questions
The radius of a circle is 7 cm. What is the perimeter of the semicircle.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The radius of two circles are 13 cm and 6 cm respectively. What is theradius of the circle which has circumference equal to the sum of the circumference of two circle is
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
1
answer
A wire is in the form of a circle of radius 7 cm. It is bent into a square the area of the square is
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
An arc of a circle is of length 5\pi cm and the section it bounds has an areaof 10\pi cm2. Then the radius of the circle is
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
Ratio of the area of a triangle to the product of its sides is ........ times the reciprocal of its circum radius.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
1
answer
A circle of radius $2\; cm$ is inscribed in an equailateral triangle . Find the area of the triangle.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
Find the area of the regular pentagon of side 6 cm and height 8 cm
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
1
answer
A solid object has 8 vertices and 12 edges . then it has ....... faces
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
If the circumference of the circle is numerically equal to its area then what is the radius of the circle.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The diagonal of a square is 10 cm. what is its area. ?
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The area of parallelogram ABCD is 40 cm2. If X be the midpoint of AD then find the area of triangle AXB
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
A circular park of radius 20m is situated in a colony. Three boys Ankur, Syed and David re sitting at equal distance on its boundary each having a toy telephone in their hand to talk each other. Find the length of the string of each phone.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
If tangents TQ and TP from a point T to a circle with centre O are inclined to each other at angle of $80^{\circ}$, then angle TOP is equal to
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
From a point Q, the length of the tangent to a circle is 24 cm and the distance of Q from the centre is 25 cm. The radius of the circle is
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
A tangent PQ at a point P of a circle of radius 5 cm meets a line through the centre O at a point Q so that OQ = 12 cm. Length PQ is :
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
A regular hexagon is inscribed in a circle of radius r cms. What is the perimeter of the regular hexagon?
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
If x units are added to the length of the radius of a circle, what is the number of units by which the circumference of the circle is increased?
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
1
answer
If the diagonal and the area of a rectangle are 25 m and 168 m2, what is the length of the rectangle?
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
If the sides of a triangle measure 72, 75 and 21, what is the measure of its in radius?
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The circumference of the front wheel of a cart is 30 ft long and that of the back wheel is 36 ft long. What is the distance travelled by the cart, when the front wheel has done five more revolutions than the rear wheel?
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The median of a triangle devides into two
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The area of incircle of an equilateral triangle of side 42 cm is :
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
If the circumference of a circle increases from 4\pi to 8\pi, what change occurs in the area ?
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The area of rhombus is 150 cm square. The length of one of the its diagonals is 10 cm. The length of the other diagonal is:
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
A triangle and a parallelogram are constructed on the same base such that their areas are equal. If the altitude of the parallelogram is 100m , then the altitude of the triangle is.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
What will be the ratio between the area of a rectangle and the area of a triangle with one of the sides of the rectangle as base and a vertex on the opposite side of the rectangle ?
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
1
answer
The wheel of a motorcycle, 70 cm in diameter makes 40 revolutions in every 10 seconds. What is the speed of the motorcycle in km/hr
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
If the radius of a circle is diminished by 10%, then the area is diminished by:
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
Find the circumference of a circle, whose area is 24.64 meter sqaure
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
A triangle and a parallelogram are constructed on the same base such that their areas are equal. If the altitude of the parallelogram is 100m , then the altitude of the triangle is.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The area of rhombus is 150 cm square. The length of one of the its diagonals is 10 cm. The length of the other diagonal is:
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
A piece of wire 20 cm long is bent into an arc of a circle subtending an angle of 60° at the centre then what is the radius of the circle.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The radii of two circles are 4 cm and 3 cm respectively. Find the radiusof a circle having area equal to the sum of the areas of the circle.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
1
answer
If the circumference of the circle exceeds its diameter by 30 cm. What is the diameter of the circle.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The cost of fencing a circular field at the rate of Rs. 10 per meter is Rs.440. What is the radius of the circular field.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
1
answer
What is the ratio of the areas of a circle and an equilateral triangle whose diameter and a side of triangle are equal.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
From each vertex of trapezium a sector of radius 7 cm has been cut off.Write the total area cut off.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
What will be the ratio between the area of a rectangle and the area of a triangle with one of the sides of the rectangle as base and a vertex on the opposite side of the rectangle ?
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
If the area of a square with the side a is equal to the area of a triangle with base a, then the altitude of the triangle is.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The height of an equilateral triangle is 10 cm. find its area.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The area of an equilateral triangle is \sqrt{3} m^2 its one side is
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The radius of two circles are 13 cm and 6 cm respectively. What is the radius of the circle which has circumference equal to the sum of the circumference of two circles.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
If the circumference and area of a circle are numerically equal then whatis the radius of the circle.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
A courtyard is 25 meter long and 16 meter board is to be paved with bricks of dimensions 20 cm by 10 cm. The total number of bricks required is :
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
A farmer wishes to start a 100 sq. m. rectangular vegetable garden. Since he has only 30 meter barbed wire, he fences three sides of the garden letting his house compound wall act as the fourth side fencing. Then find the dimension of the garden.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at the speed of 12 km/hr completes one round in 8 minutes, then the area of the park (in sq. m) is:
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
One side of rectangular field is 15 meter and one of its diagonals is 17 meter. Then find the area of the field.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The length of an arc of a circle of radius 12 cm is 10\pi cm. Write the angle measure of this arc.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The radii of two circles are 4 cm and 3 cm respectively. Find the radiusof a circle having area equal to the sum of the areas of the circle.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
Find the perimeter of the protactor if its diameter is 14 cm.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
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