Please answer. Thanks!?

2018-07-03 10:21 am

回答 (3)

2018-07-03 9:27 pm
✔ 最佳答案
Ans:
2018-07-03 11:48 am
Refer to the diagram below.
A is the point.
BC is the pole.
DE is the cliff.

ΔABC ~ ΔADE (AAA)
BC/AC = DE/AE
6/5 = DE/(78 ft)
DE = 78 × (6/5) ft
DE = 93.6 ft

Height of the cliff = 94 ft (to the nearest ft)

The answer: a) 94 feet
2018-07-03 10:41 am
h/78 = 6/5
h = 6*78/5 = 93.6

a) 94 ft


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