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Recent questions and answers in Triangles, circles and quadrilaterals
Questions
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Olympiad-Math
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Class 9
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Triangles, circles and quadrilaterals
Find the area of the regular pentagon of side 6 cm and height 8 cm
olympiad
class9
math
triangles
circles
quadrilaterals
answered
Feb 2
by
pawanpurbey.7808160211
1
answer
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
answered
Dec 31, 2019
by
anuragdeep513
1
answer
From a point in the interior of an equilateral triangle perpendiculars are drawn to the three sides of 8cm,10cm and 11cm respectively. Find the area of the traingle.
olympiad
class9
math
triangles
answered
Jun 25, 2019
by
utkarsh2237
1
answer
If each side of an equilateral triangle is increased by $2\; cm$ then its area increases by $3\sqrt{3} cm^2$. Find the length of each side.
olympiad
class9
math
triangles
answered
Jun 25, 2019
by
utkarsh2237
1
answer
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
answered
Feb 21, 2019
by
sanj18.kumar
1
answer
One chord of a circle is known to be 10 cm. The radius of this circle must be
olympiad
class9
math
circles
answered
Jan 3, 2019
by
muhalaakash2
1
answer
The area of a right angled triangle if the radius of the circumcircle is 5cm and altitude drawn to the hypotenuse is 4cm is
olympiad
class9
math
triangles
circles
quadrilaterals
answered
Dec 27, 2018
by
manishkumar123prajapati
1
answer
The base of a parellelogram is twice its height. If the area is 512 cm^2, Find its base and height.
olympiad
class9
math
triangles
circles
quadrilaterals
answered
Nov 16, 2018
by
salmamskkhan765
1
answer
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
answered
Nov 12, 2018
by
naidusantoshkumar766
1
answer
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
answered
Nov 10, 2018
by
dk.gola333
1
answer
The perimeter of the right triangle is60 cm, its hypotenuse is 25 cm, Find the area of the triangle.
olympiad
class9
math
triangles
circles
quadrilaterals
answered
Sep 17, 2018
by
alexrampee
1
answer
Two parallelograms are on the same base and between the same parallels . The ratio of their areas is
olympiad
class9
math
triangles
circles
quadrilaterals
answered
Feb 19, 2018
by
malik.kavita076
3
answers
The greatest chord of a circle is called its
olympiad
class9
math
triangles
circles
quadrilaterals
answered
Feb 1, 2018
by
saniyanabil31
1
answer
Diagonals necessarily bisect opposite angles in a
olympiad
class9
math
triangles
circles
quadrilaterals
answered
Nov 28, 2017
by
ranjani.hogwarts
1
answer
Two equal circles of radius r intersect such that each passes through the centre of the other. The length of the chord AC is
olympiad
class9
math
triangles
circles
quadrilaterals
answered
Sep 13, 2017
by
anjeelathapa123
1
answer
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
answered
Sep 12, 2017
by
madhusidam6
1
answer
The bisectors of any two adjacent angles of a parallelogram intersect at
olympiad
class9
math
triangles
circles
quadrilaterals
answered
Jul 3, 2016
by
aradhaki
1
answer
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
answered
Sep 16, 2015
by
mohanashyam
1
answer
The area of the rectangular field is $3584m^2$ and its length is $64m$. A boy runs round the field at the arte of $8km/hr$. How long will he take to go 5 rounds it.
olympiad
class9
math
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
Find the altitude of an equilateral triangle whose each side is 36cm.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The area of the trapezium is 352cm^2. The distance between the parellel sides is 16cm,If one of the parellel sides is 25 cm, Find the other.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The length and width of a rectangular field are in the ratio 3:2, If the area of the field is $3456\;cm^2$. Find the cost of fencing the field at Rs 3.50 per meter.
olympiad
class9
math
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The perimeter of the right triangle is 144cm, its hypoteneuse is 65cm, Find the legs of the triangle.
olympiad
class9
math
triangles
asked
Aug 27, 2015
by
pady_1
0
answers
The base of a triangular field is $2\large\frac{1}{2}$ times its height. If the cost of turfing it at Rs35 per $100m^2$ is Rs $700$. Find its base.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
A parelleloram , the measure of whose sides are 60m and 25m, has one diagonal odf measure of 65m long.Find the area.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The area of a rhombus is $150m^2$,If one side is 15m,Find the height of the rhombus.
olympiad
class9
math
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The measures of the sides of a cyclic quadrilateral are 36cm,77cm,75cm and 40cm, Find its area.
olympiad
class9
math
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The side of a square whose area is 4 hectare is
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The height of a parellelogram whose base is 9cm and area is 72cm^2 is
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The cost of whitewashing a room measuring 5m,4m,3m at the rate Rs50/m^2 is
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
Are of an equilateral triangle whose each side x is
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The side of an equilateral triangle whose area is 16\sqrt{3} cm^2 is
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The lenght of the diagonal of a square of side 5cm is
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
Two parallel sides of a trapezium are 8 cm and 6cm and the distance between them is 5cm. Its area is
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The area of an isosceles triangle is $60cm^2$ and each equal side is 13cm. The base of the triangle is
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
Area of a rectangular plot is 180 m^2.The lenght is 18m, The perimeter of the rectangle is
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
A hall is 20m and 16m.The area of four walls is equal to the area of the floor and ceiling together.The height of the hall is
olympiad
class9
math
triangles
asked
Aug 27, 2015
by
pady_1
0
answers
The area of a floor of lenght 40 m is $960m^2$. carpets of size 6m and 4m are available. Find how many carpets are required to cover the hall.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The perimeter of the rhombus ABCD is 100m. Diagonal AC= 14 m . Find diagonal BD.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The base of a parallelogram whose area is 45 cm^2 and its height is 4.5 cm is
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
Find the area of the quardilateral ABCD in which AC and BD intersect each other at right angle and are of length 15 cm and 12 cm is
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The diagonals of a rhombus are 15m and 36 m. The perimeter of the rhombus is
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The diagonal of a quadrilateral whose area is 495m^2 and whose offsets are 19 m and 11m is
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The opposite sides of a quadrilateral have
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
Find the lenght of the chord which is at a distance of 5cm from the centre of a circle of radius 13 cm.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
The radius of a circle is 13 cm and length of one of its chord is 10 cm. Find the distance of the chord from the centre.
olympiad
class9
math
circles
asked
Aug 27, 2015
by
pady_1
0
answers
The radius of a circle is 8 cm and the length of one of its chord is 12 cm. Find the distance of the chord from the centre.
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
Number of circles that can be drawn through three non-collinear points is
olympiad
class9
math
circles
asked
Aug 27, 2015
by
pady_1
0
answers
Angle formed in the minor segment of a circle is
olympiad
class9
math
triangles
circles
quadrilaterals
asked
Aug 27, 2015
by
pady_1
0
answers
A square field and an equilateral triangle park have equal perimeter .If the cost of ploughing the field at the rate of $Rs 5/m^2$vis Rs 720. Find the cost of maintain the park at the rate of $Rs10/m^2$?
olympiad
class9
math
triangles
asked
Aug 27, 2015
by
pady_1
0
answers
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