What is the length of the arc formed by an angle of 60° on a circle of radius 3 units ?

Sectors having equal central angle of two circles have arc lengths 1.28 and 0.32. What is the ratio of their radii

Which of the following is the radius of the circle passing through the points (-2,0),(0,4) and centre on the x - axis ?

Which of the following is the equation of the tangent to the circle x²+y²=25 at (-4,3)

The sum of the digits of a two-digit number is 11. The number got by interchanging the digits is 27. more than the original number. The number is :

The coordinates of centre of a circle are (4,3) and radius is 5. (x,y) is a point on the circle. The equation of the circle is :

The coordinates of the centre of a circle are (4,2) and its radius is 5. Which among the foolowing is a point on the circle ?

A right circular metal cone(solid) is 8 cm high and the radius is 2cm. It is melted and recast into a sphere . What is the radius of the sphere ?

What is the length of the tangent to the circle x²+y²=9 from the point (4,0)

A circle is drawn with centre O and radius 2 centimetres. The area of the unshaded region is

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The equation of the circle with centre (8, 5) and radius 6 is :

A semi-circular sector of radius 16 centimeters is rolled to make a cone What is the bise Radius of the cone?

In the figure O is the centre of the circle and AB is a diameter. angle ∠BOC = 90° . The measure ∠OAC is:

The coordinates of the centre of a circle are (2,5) and the centre passes through (8,13). The area of the circle in sq. units is :

What is the circumference of a circle if the radius is 7 m?

Find the area of the circle if the radius is 3.14 cm.

Find the perimeter of a sector with central angle 90 and radius 14cm

Find the length of a sector with central angle 90 and radius 14cm

Find the perimeter of a sector with central angle 180 and radius 7cm

Find the length of a sector with central angle 180 and radius 7cm

Number of sectors in a circle are ____

Find the area of the sector if the radius is 5 cm and with an angle of 50°.

The area of a sector of a circle is 88 cm2 and the angle of the sector is 120°. Find the radius of the circle.

The area of a sector of a circle is 66 cm² and the angle of the sector is 60°. Find the radius of the circle.

10 cm വ്യാസമുള്ള വൃത്തത്തിന്റെ ചുറ്റളവ് ?

ഒരു കാറിൻറെ ചക്രത്തിന്റെ വ്യാസം 77 സെൻറീമീറ്റർ ആണ്. 1000 പ്രാവശ്യം കറങ്ങുമ്പോൾ കാർ എത്ര മീറ്റർ ദൂരം നീങ്ങിയിരിക്കും?

ഗോളം : 4∏r² : : ________ : 3∏r²

The radii of two circles are 10 cm and 24 cm. The radius of a circle whose area is the sum of the area of these two circles is

The ratio between the area of two circles is 4 : 7. What will be the ratio of their radii?

The radii of two circles are 5cm and 12cm. The area of a third circle is equal to the sum of the area of the two circles. The radius of the third circle is :

The area of a circle is increased by 22 cm² when its radius is increased by 1 cm. The original radius of the circle is

The circumference of a circle is 11 cm and the angle of a sector of the circle is 60°. The area of the sector is $(use \pi=\frac{22}{7})$

The radius of circle A is twice that of circle B and the radius of circle B is twice that of circle C. Their area will be in the ratio

The area of a circle is increased by 22 cm its radius is increased by 1 cm. The original radius of the circle is

The area of the ring between two concentric circles, whose circumference are 88 cm and 132 cm, is :

If the circumference of a circle increases from $4\pi to 8\pi$ , what change occurs in its area?

The area of a sector of a circle of radius 5 cm, formed by an arc of length 3.5 cm is :

The area of a circle is 154 cm². What is the approximate perimeter of the circle?

A thread of length 528cm is used to form a circle. What will be the diameter of the circle formed?

A copper wire is bent in the form of square with an area of 121 cm². If the same wire is bent in the shape of a circle the radius of the circle is ?

Find the perimeter of the circle with radius 28 cm

Find the diameter of the circle with area 154 cm²

Find the radius of the circle with perimeter 44cm

Find the perimeter of the circle whose diameter is 14cm

Find the area of a circle whose diameter is 14 cm

Find the perimeter of the circle whose radius is 7 cm

In the figure, O and P are the centres of two circles. The measure of <ACM is:

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What is the angle between the hands of the clock in the figure?

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The coordinates of centre of a circle are (4, 3) and radius is 5. (x, y) is a point on the circle. The equation of the circle is :

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