Question

If a wire is bent into the shape of a square, the
area of the square is 49 cm". When the wire i
bent into a semi-circular shape, find the radine
of the semi-circle
Take n =
$22 \div 7$


​

Answer 1

Step-by-step explanation:

πr2/2

π=22/7

r=7

22/7×7×7/2

77cm