Question

2. Find the diameter of the circle whose circumference is
(a) 132 cm



​

Answer 1

Answer:

circumference = 2*pie*r

132 cm = 2*3.14*r

132 =  6.28*r

132/6.28 = r

21.019 cm = r

diameter = 2r

d = 2*21.019

d = 42.038 cm

hence. diameter of the circle is 42.038 (approx.)