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

In the triangle below, determine the measure of side a.
asked 35.5k views
4 votes
In the triangle below, determine the measure of side a.

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

1 Answer

3 votes
use trigonometry
sin 42 = a / 21

a = 21 sin 42 = 14.05
answered
User Rebellion
by
8.8k points
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