Posted by **Ashley** on Tuesday, October 23, 2012 at 6:46pm.

From a boat on the lake, the angle of elevation to the top of a cliff is 26°35'. If the base of the cliff is 85 feet from the boat, how high is the cliff (to the nearest foot)?

A. 56 feet

B. 43 feet

C. 53 feet

D. 46 feet

I HAVE BEEN WORKING ON THIS FOREVER! please help me :( i don't know what i am doing wrong and none of my answers are any of these.

- Math -
**Reiny**, Tuesday, October 23, 2012 at 7:14pm
Working forever?

takes about 30 seconds

make a sketch, let the height be h

tan 26° 35' = h/85

h = 85 tan 26.58333..° = 42.5339 ft

or according to the choices given, 43 feet

26° 35' = 26 + 35/60 = 26.583333..

## Answer this Question

## Related Questions

- trigonometry - Can you tell me if these answer is correct. 1. From a boat on the...
- formal geomerty - A person in a small boat sights the top of a 40-foot ...
- math - from a boat, the angle of elevation of the foot of a lighthouse on the ...
- trig - Robert is standing on a cliff and looks down at an angle of depression ...
- Math - from the top of a cliff 250 ft. high the angle of depression of a boat is...
- trigo - from the top of a cliff 126m high, the angle of depression of a boat is ...
- ALGEBRA - A)HOW FAR IS THEBOAT FROM THE BASE OF THE CLIFF? B) IF AFTER 10MIN THE...
- Right angle trigonometry - A sailor sights both the bottom and top of a ...
- math help - What is the distance Y Z in metres between the boat and the bouy, to...
- trig - A plane is flying 12,000 feet horizontally from a tall, vertical cliff. ...