#### Answer

$d \approx 8.1$ units

#### Work Step by Step

1. Use the cosine ratio to find $d$
Recall that CAH: $cos = \frac{adjacent}{hypotenuse}$
$cos(36) = \frac{d}{10}$
$d = 10cos(36)$
by GDC / calculator
$d = 8.09016...$ units
$d \approx 8.1$ units

Published by
Brooks Cole

ISBN 10:
1439047901

ISBN 13:
978-1-43904-790-3

$d \approx 8.1$ units

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