Question

The radius of a circle is 5 kilometers. What is the length of a 180° arc? 180° r=5 km Give the exact answer in simplest form. kilometers

          The radius of a circle is 5 kilometers. What is the length of a 180° arc?
180°
r=5 km
Give the exact answer in simplest form.
kilometers

Added by Daniel M.

Geometry A Common Core Curriculum

Ron Larson, Laurie Boswell 1st Edition

Instant Answer

Solved by Expert Brent Burkett

Step 1

The formula for the circumference of a circle is C = 2πr, where r is the radius. In this case, the radius is 5 kilometers, so the circumference is C = 2π(5) = 10π kilometers. Show more…

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The radius of a circle is 5 kilometers. What is the length of a 180° arc? 180° r=5 km Give the exact answer in simplest form. kilometers

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