The length of a wire which is tied as a boundary of a semi ciruclar park is 72 cm. Find the radius and the area of the semi circular park

The length of a chain used as the boundary of a semicircular park is 108m . Find the area of the park.

The radius of a semi-circular protactor is 14 cm. Find its perimeter and area.

The diameter of a semi circular protector is 14 cm. Find its perimeter

The diameter of a circular park is 30 m. Find its surface area.

Find the area (in cm^2 ) of a semi-circle of radius 7 cm.

The area of a square park is the same as of a rectangular park. If the side of the square park is 60m and the length of the rectangular park is 90m, find the breadth of the rectangular park.

The area of a square park is the same as of a rectangular park.If the side of the square park is 60m and the length of the rectangular park is 90m, find the breadth of the rectangular park.

A path of 7m width runs around a circular park whose radius is 18m . Find the area of the path.