Question

The diameter of a semicircle is 4 centimeters. What is the semicircle's perimeter?
Use 3.14 for ​.

Answer 1

Answer:

6.28 centimeters

Step-by-step explanation:

r = 1/2d = 1/2 × 4 = 2 centimeters

$= \pi \times r \\ = 3.14 \times 2 \\ = 6.28 \: centimeters$