The area of a circle of radius 7 cm is ________ `cm^(2)`.

Find the area of a circle of radius 7 cm.

The area of a circle (A) varies directly as the square of its radius. The area of the circle of radius 7 cm is 154 cm^(2) . What is the area of the circle of radius 35 cm?

Find the area of a circle of radius 4.2 cm

Find the area of a circle of radius 4.2cm

The area of a circle varies with the square of its radius. The area of a circle having radius 3 cm is C cm^(2) . Find the area of the circle having redius 9 cm.

What would be the area of a rectangle whose area is equal to the area of a circle of radius 7 cm? (a) 77 cm2 (b) 154 cm2 (c) 184 cm2 (d) 180 cm2

Total surface area of a solid hemisphere of radius 7 cm. is …… cm^(2) .

The area of a square inscribed in a circle of radius 8 cm is ……… cm^(2) .