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In the triangle below, determine the measure of side a.

In the triangle below, determine the measure of side a.
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4 votes
In the triangle below, determine the measure of side a.

In the triangle below, determine the measure of side a.-example-1
User Emilan
by
8.1k points

1 Answer

3 votes
use trigonometry
sin 42 = a / 21

a = 21 sin 42 = 14.05
User Rebellion
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