The radius of a circle is 1 kilometer. What is the length of a 90 degree arc?

asked Oct 4, 2021 135k views

3 votes

6.2k points

Please log in or register to add a comment.

4 votes

Answer:

The length or arc is calculated by:

pi x r x angle(deg)/180 = pi x 1 x 90/180 = 0.5 x pi = ~1.57 (km)

Witters answered Oct 6, 2021

7.9k points

3 votes

Answer:

1/2 pi on IXL

Ziggurism answered Oct 9, 2021

7.2k points

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

7.8m questions

10.4m answers