Question

a piece of wire bent in the form of a square encloses an area of 484.
if the same wire is bent to form a circle find the circumference and area.

Answer 1

C

≈

77.99

A

Area

Unit Conversion:

Using the formulas

A

=

π

r

2

C

=

2

π

r

Solving for

C

C

=

2

π

A

=

2

·

π

·

484

≈

77.98797

Answer 2

Check this attachment :-)