The angle of depression from D to F measures 25°. If EF = 10 yd, find DE. Round your answer to the nearest tenth.
2 answers:
This question needs more information like where point E is but I'm going to assume that point E is directly below point D
With that assumption, angle EDF should be (90°- 25°) which is 65°
tan 65° = opposite/adjacent
tan 65° = 10 yd/ DE
DE = 10 yd/tan 65°
DE = 4.7 yd (to the nearest tenth)
Remember to include a picture next time for greater clarity :)
The answer is 4.7
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