The radius of a circle is 4 centimeters. what is the length of a 180 degrees arc?

Question

asked Jul 8, 2023 184k views

1 Answer

Jonathan Charlton · Answer 1 · 2023-07-13T18:48:29+0000

Answer:

4π cm = 12.57 cm

Explanation:

180 degrees is half of a circle, so the length of the arc is half of the circumference.

length = (2πr)/2 = πr = 4π cm = 12.57 cm