3 years ago

In ΔDEF, the measure of ∠F=90°, the measure of ∠E=53°, and DE = 57 feet. Find the length of FD to the nearest tenth of a foot.

1 answer:

3 0

Answer:

DF = 45.5 feet

Step-by-step explanation:

∠D = 37°

cos 37 = DF/57

DF = 57·cos 37

DF = 45.5'

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