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

asked Jul 26, 2021 60.1k views

2 votes

by Dah

6.1k points

Please log in or register to add a comment.

1 vote

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

Glenn Moss answered Jul 30, 2021

5.6k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

6.7m questions

8.9m answers