Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 8 - Geometry - Test - Page 620: 17

Answer

The circumference of the circle is $5.7$ km.

Work Step by Step

1. Find the diameter of the circle $= 0.9 \times 2$ $= 1.8$ km 2. Using the formula $= diameter \times \pi$, find the circumference $= 1.8 \times 3.14$ $= 5.652$ km $= 5.7$ km
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