#### Answer

$3^{\circ}$

#### Work Step by Step

Let $\alpha$ be the angle formed by the road and the horizontal.
$\sin\alpha=\frac{100}{2000}$
$\alpha=\sin^{-1}\frac{100}{2000}$
$\alpha\approx3^{\circ}$

Published by
Brooks Cole

ISBN 10:
9781285195698

ISBN 13:
978-1-28519-569-8

$3^{\circ}$

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