If a sector of a circle has an arc length of `2pi` inches and an area of `6pi` square inches, what is the length of the radius of the circle?

A sector has an area of 40pi and a radius of 10. What is the arc length of the sector?

The radius of a circle whose arc of length 20pi subtends an angle of (2pi)/3 radians at the centre is:

When each side of a given square is lengthened by 3 inches, the area is increased by 45 square inches. What is the length, in inches, of a sides of the original square?

If the area of a sector of a circle bounded by an arc of length 5pi cm is equal to 20pi\ c m^2 , then the radius of the circle is (a) 12 cm (b) 16 cm (c) 8 cm (d) 10 cm

If the area of a sector of a circle bounded by an arc of length 5pi cm is equal to 20pi\ c m^2 , then the radius of the circle is (a) 12 cm (b) 16 cm (c) 8 cm (d) 10 cm

A circle has a radius that is the same length as the sides of a square , if the square has a perimeter of 64 square inches , what is the area , in square inches , of the circle ?

A sector has an arc length of 4pi and a radius of 3. What is the central angle of the sector?

The angle at the center of a sector of a circle of radius 42 cm is 120^@ .Find the length of the arc producing the sector and also the area of the sector of the circle.

In a circle of radius 35 cm, an arc subtends an angle of 72o at the centre. Find the length of the arc and area of the sector.

In a circle of radius 35cm, an arc subtends an angle of 72o at the centre.Find the length of the arc and area of the sector.