Question

What is the approximate circumference of a semicircle with a radius of 6 centimeters? 18.8 centimeters 37.7 centimeters 75.4 centimeters 150.7 centimeters

Answer 1

C = 2 *pi * r
C = 2 *pi* 6
C=37.7

Answer 2

Hello!

As this a semicircle, we can just multiply the radius by pi.

6
`\pi`≈18.85

18.85≈18.8, therefore our correct answer is A) 18.8 cm.

I hope this helps!