Arc length of a half of a circle with radius of 9

Question

asked Jul 26, 2021 60.1k views

1 Answer

Glenn Moss · Answer 1 · 2021-07-30T11:00:27+0000

Answer:28.26

Explanation:

Φ=180 since it's in a straight line

Radius=r=9

π=3.14

Length of arc=Φ/360 x 2 x π x r

Length of arc=180/360 x 2 x 3.14 x 9

Length of arc=0.5 x 2 x 3.14 x 9

Length of arc=28.26