Answered

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In PQR, the measure of R=90°, the measure of Q=71°, and RP = 40 feet. Find
the length of QR to the nearest tenth of a foot.

Sagot :

Answer:

13.8

Step-by-step explanation:

tan Q = opposite    =     40

            adjacent             x

Tan 71  = 40               x tan 71 = 40

  x tan 71  =    40  

     tan 71      tan 71

x =  40   = 13.7731 = 13.8 (rounded to the nearest tenth)

     tan 71

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