#### Answer

50 cm$^2$

#### Work Step by Step

A=$\frac{1}{2}$bh
A=$\frac{1}{2}$(20)(5)
A=10(5)
A=50 cm$^2$

Published by
Pearson

ISBN 10:
0-13417-805-X

ISBN 13:
978-0-13417-805-9

50 cm$^2$

A=$\frac{1}{2}$bh
A=$\frac{1}{2}$(20)(5)
A=10(5)
A=50 cm$^2$

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