## Basic College Mathematics (10th Edition)

Published by Pearson

# Chapter 8 - Geometry - Summary Exercises - Perimeter, Circumference and Area - Page 578: 17

#### Answer

$A = 217.5yd^2$

#### Work Step by Step

$A = 15*21 - \frac{13*15}{2} = 315 - 97.5 = 217.5yd^2$

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