Question

The perimeter (in cm) of a square circumscribing a circle of radius a cm, is

Options

• A. 8 a

• B. 4 a

• C. 2 a

• D. 16 a

Answer 1

The radius of the circle is given as a cm.

∴ Diameter of the circle = 2 × a cm = 2a cm

Side of the circumscribing square = Diameter of the circle = 2a cm

Perimeter of the circumscribing square = 4 × 2a cm = 8a cm