From a boat on the lake, the angle of elevation to the top of a cliff is 27°57'. If the base of the cliff is 128 feet from the boat, how high is the cliff (to the nearest foot)?
A) 58 ft

B) 68 ft

C) 78 ft

D) 81 ft

Question

From a boat on the lake, the angle of elevation to the top of a cliff is 27°57'. If the base of the cliff is 128 feet from the boat, how high is the cliff (to the nearest foot)?
 A) 58 ft

B) 68 ft

C) 78 ft

D) 81 ft

anonymous · Answer

Yeah the same way as before.. :) Try it your self..
If u have problems getting the answer tell me.. :)
I will give u the tan value...
It's .5306..

anonymous · Answer

It's 0.5306

anonymous · Answer

0.5306(128)=67.9168
rounded=68 (B)

anonymous · Answer

yeah it's correct
So u got it.
Isn't it :)

anonymous · Answer

yeah thanks again. lol

anonymous · Answer

$$\large\color{blue}{\text{No problem!}}$$

anonymous · Answer

Alright