18) What is the radius of the semicircle, if the circumference of the semicircle is 28.26 cm?
Answer is:
5.49 cm
Related Area of Surfaces MCQ with Answers
Answer is:
8.55 cm
Explanation:
The perimeter of Semicircle = (πr + 2r)
21.98 = (πr + 2r)
21.98 = r(π + 2)
21.98 = r(5.14)
r=4.276
d= 8.552 cm
