Areas Related to Circles

What is the area of a circle with radius 7 cm?

The diameter of a circular garden is 14 m. Find its area.

Find the area of a sector of a circle with radius 10 cm and central angle 60°.

A chord of length 24 cm is drawn in a circle of radius 13 cm. Find the area of the corresponding minor segment.

The radius of a circle is increased by 20%. By what percent does its area increase?

Find the area of the annulus (ring) formed between two concentric circles of radii 14 cm and 7 cm.

A circular park has a path of width 3 m inside it. If the radius of the park is 20 m, find the area of the path.

The length of an arc of a circle is 44 cm and the radius is 14 cm. Find the area of the corresponding sector.

A circle is inscribed in a square of side 14 cm. Find the area of the shaded region outside the circle but inside the square.

The radius of a circle is 21 cm. Find the length of the chord which subtends a right angle at the center.