Question

Tell me the second one ​

Answer 1

Answer:

let's calculate circumference of the circle= 2πr

so, 2×22/7×5.6 = 35.2 cm

as per this diagram, one fourth of the circumference is taken away.

so,1/4×35.2= 8.8 cm

8.8+radius+radius

so,(8.8+5.6+5.6)cm = 20 cm

hope it may help you.