Question

A circular piece of thin wire is converted into a square of side 6.25 cm. if there is no loss or gain in its length, find the radius of the circular wire.​

Answer 1

Answer:

3.98cm

Step-by-step explanation:

A circular piece of wire is converted into a square,

∴ Perimeter of circle made by wire= Perimeter of square made by wire

⇒2πr=4a (where a is the length of the side of square)

⇒r=

(2×3.14)

(4×6.25)

⇒r=3.98cm