Question

wire in the form of a rectangle 18.7 cm long and 14.3 cm wide is reshaped and bent into the form of a circle. Find the radius of the circle so formed.

Answer 1

10.5 cm

Step-by-step explanation:

perimeter of the rectangle is bent into perimeter of circle

so 2 (18.7 + 14.3) will be the perimeter of circle

then use formula 2pir and calculate radius

Answer 2

Step-by-step explanation:

• answer must be 10.5cm and 346.5cm2