Question

Calculate the circumference of a semi circle which diameter is 28cm

Answer 1

Circumference of semi circle = 116 cm

Explanation:

Given:

Diameter of a circle = 28 cm

Find:

Circumference of semi circle

Computation:

Circumference of semi circle = πr + Diameter

Circumference of semi circle = (22/7)(28) + 28

Circumference of semi circle = 88 + 28

Circumference of semi circle = 116 cm