The radius of a circle is 9 feet. What is the length of a 180° arc? Give the exact answer in simplest form.

Question

asked Aug 17, 2023 96.4k views

1 Answer

WimV · Answer 1 · 2023-08-22T16:48:54+0000

Answer: 9π
Explanation: 180° arc is half of the circle so its length must be half of the circle circumference: (2π(9))/2 = 9π