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In ARST, the measure of ZT=90°, the measure of ZR=39°, and TR = 55 feet. Find the
length of ST to the nearest tenth of a foot.

In ARST The Measure Of ZT90 The Measure Of ZR39 And TR 55 Feet Find The Length Of ST To The Nearest Tenth Of A Foot class=

Sagot :

akposevictor

Answer:

44.5 ft

Step-by-step explanation:

Reference angle = 39°

Opposite = x

Adjacent = 55

Apply trigonometric function TOA:

Tan 39 = Opp/Adj

Tan 39 = x/55

55 × Tan 39 = x

44.5381218 = x

x ≈ 44.5 ft

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