Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 10 - Area - Get Ready! - Page 611: 21

Answer

A semicircle is half of a circle.

Work Step by Step

Given that a semiannual event would occur every half year, it is reasonable to deduce that the prefix "semi" means "half". Applying this meaning to circles, we can say that a semicircle is half of a circle.
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