Answer:
39 degrees
Step-by-step explanation:
Right triangle
40 ft tree = opposite side
50 feet = adjacent side
tan (angle) = opp / adj = 40 /50
arctan (40/50) = 38.66 degrees ~ 39 degrees
The next answer is 85.
Counting by five is the same as adding 5 to the number he starts with.
Therefore, 80 + 5 = 85
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6.56 < 6.6 so the answer is D.
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