Homework Help: Math

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

formal geomerty - A person in a small boat sights the top of a 40-foot ...
trigonometry - Can you tell me if these answer is correct. 1. From a boat on the...
trig - A plane is flying 12,000 feet horizontally from a tall, vertical cliff. ...
Math - from the top of a cliff 250 ft. high the angle of depression of a boat is...
math - from a point 50 m from the base of a cliff, a surveyor measures the angle...
Trig - A ship is headed directly toward a coastline formed by a vertical cliff...
trigo - from the top of a cliff 126m high, the angle of depression of a boat is ...
Math - 3) From two tracking stations A and B, 350 km apart, a UFO is sighted at ...
Calculus - The CN Tower is 553 m tall. A person is south of the tower, in a ...
Math - From the top of a cliff 120 m above the water, the angle of depression of...

For Further Reading

First Name:
School Subject:
Answer: