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Recent questions tagged circles
Questions
A circle with centre $'O'$ lies on the point $(3, -6)$ and has centre $(0,0)$. What can be its radius ?
sat
math
circles
calculator
asked
Jan 11
by
priyanka.clay6
1
answer
The circumference of a circle is $60\;cm$. An arc subtends $90^{\circ}$ at the centre. Find its length.
sat
math
circles
calculator
asked
Jan 9
by
priyanka.clay6
1
answer
The centre 'O' of a circle of radius 5. If $PT$ is the tangent to the circle, whose length is $12$. What is the length of $OP$ ?
sat
math
circles
calculator
asked
Jan 8
by
priyanka.clay6
1
answer
In the circle given below $\angle{PQR}=100^{\circ}$, where $P, Q$ and $R$ are points on a circle with centre $O.$ Then $\angle{OPR}=$
sat
math
circles
calculator
asked
Jan 8
by
priyanka.clay6
1
answer
A circle with centre $O(-3,-4)$ has a radius of 13 units. Which of the following can be its equation
sat
math
circles
calculator
asked
Jan 7
by
priyanka.clay6
1
answer
The centre $'O'$ of a circle of radius $5$. If $PT$ is the tangent to the circle, whose length is 12. What is the length of $OP$?
sat
math
circles
calculator
asked
Jan 6
by
priyanka.clay6
0
answers
sat
math
circles
no calculator
asked
Jan 3
by
priyanka.clay6
1
answer
<br><br> $O$ is the centre of the circle. Find $x$.
sat
math
circles
calculator
asked
Dec 22, 2019
by
priyanka.clay6
1
answer
The length of the minute hand of a clock is $21\;cm.$ What will be the area swept by the minute hand in 5 minutes ?
sat
math
circles
calculator
asked
Dec 19, 2019
by
priyanka.clay6
1
answer
Points A and B lie on a circle with radius 1 and arc $\widehat{AB}$ has length $\large\frac{\pi}{3}.$ What fraction of the circumference of the circle is the length of arc $\widehat{AB}$.
sat
math
circles
no calculator
asked
Dec 17, 2019
by
priyanka.clay6
1
answer
Given three non-collinear points, the number of circles which can be drawn through these points
sat
math
circles
no calculator
asked
Dec 16, 2019
by
priyanka.clay6
1
answer
In the figure below the small circle is inscribed in a square, which is inscribed in the large circle. What is the ratio of the area of the large circle to that of the small circle.
sat
math
circles
no calculator
asked
Dec 12, 2019
by
priyanka.clay6
1
answer
One chord of a circle is known to be 10 cm. The radius of this circle must be
sat
math
circles
calculator
asked
Dec 11, 2019
by
priyanka.clay6
1
answer
sat
math
circles
calculator
asked
Dec 6, 2019
by
priyanka.clay6
1
answer
A garden roller has a circumference 4m. The number of revolutions it makes in moving 40 m is
sat
math
circles
calculator
asked
Dec 6, 2019
by
priyanka.clay6
1
answer
4 identical momento is made by a school to award 4 students for four values. Honesty, Punctuality, Cleanliness and Non-Violence. The slope of the momento is as shown in the figure. The base PQRS is silver plated from the front side at the rate of $\$10\; per \;cm^2$. What is the total cost of the silver plating ? (Take $\pi=\frac{22}{7}$)
sat
math
circles
calculator
asked
Dec 6, 2019
by
priyanka.clay6
1
answer
The equation of the circle passing through the point $(2,-4)$ and has a centre $(0,0)$ is
sat
math
circles
calculator
asked
Dec 4, 2019
by
priyanka.clay6
1
answer
sat
math
circles
no calculator
asked
Dec 4, 2019
by
priyanka.clay6
1
answer
In the figure shown below TP and TQ are tangents to the circle with centre O and radius $5 \;cm$. If $\angle{QTP}=65^{\circ}$, calculate $\angle{POQ}$
sat
math
circles
no calculator
asked
Dec 4, 2019
by
priyanka.clay6
1
answer
In the figure shown below, $PQ$ is the tangent to the circle whose centre is $O$ and radius is $5$. If $OP = 13$, find the length of $PQ$, if $T$ is the midpoint of $PQ$
sat
math
circles
calculator
asked
Dec 2, 2019
by
priyanka.clay6
1
answer
In the fig. $\angle{PQR} = 100^{\circ}$ where $P, Q $ and $R $ are points on the circle with center $O$. Find $\angle{OPR}$
sat
math
circles
calculator
asked
Nov 28, 2019
by
priyanka.clay6
1
answer
Two circles o radii 5 cm and 3 cm and centres A and B touch internally. If the perpendicular bisector of segment AB meets the bigger circle in P and Q. Find the length of PQ.
sat
math
circles
calculator
asked
Nov 28, 2019
by
priyanka.clay6
1
answer
If the circumference of a circle and the perimeter of a square are equal, then
sat
math
circles
no calculator
asked
Nov 26, 2019
by
priyanka.clay6
1
answer
In the figure given below two circles of radii 4 cm each is as shown. PQRS is a rectangle and PQ and RS are the radii. What is the area of the shaded area ?
sat
math
circles
calculator
asked
Nov 25, 2019
by
priyanka.clay6
1
answer
A sphere is just enclosed inside a cube of volume $24 cm^3$. Find the volume of the sphere.
sat
math
circles
calculator
asked
Nov 23, 2019
by
priyanka.clay6
1
answer
The radii of two circles are 4 cm and 3 cm respectively. Find the radius of a circle having area equal to the sum of the areas of the circle.
sat
math
circles
calculator
asked
Nov 23, 2019
by
priyanka.clay6
1
answer
If O is center of a circle and AO and OB are radius of the circle, and AP and PB are tangents, then what is the angle $\angle{AOB}$ ?
sat
math
circles
calculator
asked
Nov 23, 2019
by
priyanka.clay6
1
answer
The circle shown in the figure has an area 20. BC is tangent to the circle with centre A at point B. If $AC = 2AB$, then what is the area of the shaded region ?
sat
math
circles
no calculator
asked
Nov 18, 2019
by
priyanka.clay6
1
answer
sat
math
circles
calculator
asked
Nov 17, 2019
by
priyanka.clay6
1
answer
If a sector of a circle has arc length of $2\pi$ inches and an area of $6\pi$ sq. inches, what is the length of the radius of the circle ?
sat
math
circles
calculator
asked
Nov 17, 2019
by
priyanka.clay6
1
answer
The following equation represents different curves.
sat
math
circles
calculator
asked
Nov 15, 2019
by
meena.clay6
1
answer
The following equation represents different curves. <br> $(a)\; x+4y =9 \qquad (b) y^2 = 8(x+3) \qquad (c)\; x^2+y^2 + 2x+3y+8=0$ <br><br> The coordinates of the x-intercept which lies on the curve (b) is
sat
math
circles
no-calculator
asked
May 28, 2019
by
meena.clay6
1
answer
Which of the following equation is not that of the circle whose center is $(-4, -6)$ and radius $6$ ?
sat
math
circles
calculator
asked
May 22, 2019
by
meena.clay6
1
answer
If the area of the shaded region is $K \pi$ and radius of circle is 3 units, what is the value of K ?
sat
math
circles
calculator
asked
May 22, 2019
by
meena.clay6
1
answer
A rectangle whose length is 10 units and width is inscribed in a circle. What is the radius of the circle ?
sat
math
circles
calculator
asked
Apr 30, 2019
by
priyanka.clay6
1
answer
In the figure $PT$ and $QT$ are the equal tangents of the circle with center $O$. The length $OT$ is twice that of the radius. What is the length of the tangents if the radius is 5 units ?
sat
math
circles
calculator
asked
Apr 29, 2019
by
priyanka.clay6
1
answer
Which of the following equation is not that of the circle whose center is $(-4, -6)$ and radius $6$ ?
sat
math
circles
calculator
asked
Apr 29, 2019
by
priyanka.clay6
1
answer
In the figure given below $PT$ and $PQ$ are targets to the circle with centre $o$. Which of the following is equal to $z^{\circ}$ ?
sat
math
circles
calculator
asked
Apr 28, 2019
by
priyanka.clay6
1
answer
The circumference of a circle is $a \pi \; units$ and the area of the circle is $x \pi$ sq. units. If $a=x$, then what is the radius of circle ?
sat
math
circles
no calculator
asked
Apr 25, 2019
by
priyanka.clay6
1
answer
The following equations represents different curves. <br> $(a)\; x+4y =9 \qquad (b) y^2 = 8(x+3) \qquad (c)\; x^2+y^2 + 2x+3y+8=0$ <br><br> equation (a) represents
sat
math
circles
no-calculator
asked
Apr 10, 2019
by
meena.clay6
1
answer
O is the center of a circle of radius 9 cm. A point P at a distance of 41 cm from O. The length of the tangent segment from P to the circle is _________
sat
math
circles
calculator
asked
Apr 7, 2019
by
priyanka.clay6
1
answer
$(x+3)^2 + (y-2)^2 = 25$ is the equation of a circle, the centre of the circle lies in
sat
math
circles
no-calculator
asked
Apr 5, 2019
by
priyanka.clay6
1
answer
The following equations represents different curves. <br> $(a)\; x+4y =9 \qquad (b)\; y^2 = 8(x+3) \qquad (c)\; x^2+y^2 + 2x+3y+8=0$ <br><br> Question : The coordinates of the point which lies on the curve $(b)$ is
sat
math
circles
no-calculator
asked
Apr 4, 2019
by
priyanka.clay6
1
answer
Equation of a circle is given by $x^2 + y^2-8x + 4y+5=0$. The centre and radius of the above circle is
sat
math
circles
no calculator
asked
Mar 31, 2019
by
priyanka.clay6
1
answer
Which of the following is an equations of a circle in the $xy$ plane with center(0,3) and a radius of 6 units ?
sat
math
circles
calculator
asked
Mar 29, 2019
by
meena.clay6
1
answer
A circle has a radius of 4 cm . What is the difference between its area and circumference ?
sat
math
circles
calculator
asked
Mar 26, 2019
by
meena.clay6
1
answer
In the figure $AP$ is a tangent to the circle with centre $O$ such that $OP= 4\;cm$ and $\angle {OPA} = 30^{\circ}$. Then AP
sat
math
circles
asked
Dec 15, 2018
by
priyanka.c
1
answer
If PA and PB are tangents from outside point P such that PA = 10 cm and $\angle{APB}= 60^{\circ}$. Find the length of chord AB.<br>
sat
math
circles
asked
Dec 6, 2018
by
priyanka.c
1
answer
In the given figure chords AB and CD of a circle intersect at $P$. If $AB$ = 5 cm, $PB$ = 3cm and $PD$= 4cm, then find the length of $CD$.<BR>
sat
math
circles
asked
Dec 6, 2018
by
priyanka.c
1
answer
Find the area of the unshaded region in the figure if $ABCD$ is a square of side 14 cm and $APD$ and $BPC$ are semi circle <br>
sat
math
circles
asked
Dec 5, 2018
by
priyanka.c
1
answer
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