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In ΔTUV, the measure of ∠V=90°, the measure of ∠U=55°, and VT = 82 feet. Find the length of TU to the nearest tenth of a foot.

User Jasancos
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1 Answer

7 votes

Given:

Given that ΔTUV is a right triangle. The measure of ∠V=90°, the measure of ∠U=55°, and VT = 82 feet.

We need to determine the length of TU.

Length of TU:

The length of TU can be determined using the trigonometric ratio.

Thus, we have;


sin \ \theta=(opp)/(hyp)

where
\theta=55^(\circ),
opp=82 and
hyp =TU

Substituting the values, we get;


sin \ 55^(\circ)=(82)/(TU)

Simplifying, we get;


TU=(82)/(sin \ 55^(\circ))


TU=(82)/(0.819)


TU=100.12

Rounding off to the nearest tenth, we get;


TU=100.1

Thus, the length of TU is 100.1 feet.

User Akavall
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