Question

2.
Find the radii of the circles whose circumference are:
(d) 30.8 cm
(c) 242 cm
(b) 15.4 cm
(a) 44 cm
please explain it properly ​

Answer 1

Answer:

a

2×22/7×r=44

44×7/2×22=7cm

similarly with b c d and I think the answeres are

b=24.5cm

c=38.5cm

d=3.5