Question

Find the length of the arc. Round your answer to the nearest tenth?..

Answer 1

Where’s the question

Answer 2

15.7 km

Explanation:

First find the circumference around the circle

C = 2*pi*r

C = 2 *3.14 * 10

62.8

Then find the fraction of the circle the arc is

The arc is 90 degrees and the circle is 360 degrees

90/360 = 1/4

Multiply the circumference by the fraction

1/4*62.8 =15.7