A 1.7 m tall man can see the top of a vertical building 15.7 m high, by focussing his binoculars at an
angle of 30° to the horizontal. What is the distance of the man from the building?
Answers
Answered by
20
Answer:
distance from building to the man = 14√3m
Step-by-step explanation:
height of the man EF = 1.7 m
height of the building AB = 15.7m
angle of elevation to the building from the man AED = 30
height of the building apart from man AE = 15.7 -1.7 =14m
tan 30 = AE / DE
1/√3 = 14/DE
DE = 14√3m
Answered by
2
Answer:
distance from building to the man = 14√3m
Step-by-step explanation:
height of the man EF = 1.7 m
height of the building AB = 15.7m
angle of elevation to the building from the man AED = 30
height of the building apart from man AE = 15.7 -1.7 =14m
tan 30 = AE / DE
1/√3 = 14/DE
DE = 14√3m
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