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17 January, 13:06

In ΔRST, the measure of ∠T=90°, the measure of ∠S=75°, and ST = 64 feet. Find the length of TR to the nearest tenth of a foot.

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  1. 17 January, 14:36
    0
    238.9 ft

    Step-by-step explanation:

    R = 180 - 90 - 75 = 15

    TR/sin (S) = ST/sin (R)

    TR/sin (75) = 64/sin (15)

    TR = sin (75) * 64/sin (15)

    TR = 238.8512516844

    Or,

    tan (S) = TR/ST

    TR = 64tan (75)

    TR = 238.8512516844
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