If diana walks forward and her angle looking to the top of the building changes to 40°, how much closer is she to the building?
round the answer to the nearest tenth of a foot. 10.3 ft 17.6 ft 30.2 ft 97.2 ft
1 answer:
Answer:
17.6 ft
Step-by-step explanation:
tan 37 = 130/x
x = 130/tan 37 = 130/0.7536 = 172.5 feet
tan 40 = 130/y
y = 130/tan 40 = 130/0.8391 = 154.9
172.5 - 154.9 = 17.6 ft
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<span>ratio of surface area = 49:100
ratio of corresponding lengths = √49:√100 = 7:10
answer: C
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