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
19) What is the diameter of the semicircle, if the circumference of the semicircle is 21.98 cm?
Answer is:
8.55 cm
Explanation:
