Homework Help: Math

Posted by Sofia on Monday, October 15, 2012 at 10:33pm.

A telephone is anchored to the ground by a long cable called a guy wire, at a point 5 meters from the base of the pole, the wire makes an angle of 72.5 degrees with the horizontal. What is the length of the guy wire?

HELP ASAP! I forgot how to compute for this (Pythagorean Theorem) D:

Math - Reiny, Monday, October 15, 2012 at 11:10pm
We don't need Pythagorus, we need trig.

let the height be h

h/5 = tan 72.5°
h = 5tan 72.5 = appr 15.858 m
Math - Sofia, Monday, October 15, 2012 at 11:13pm
Thank you so much!

Answer this Question

Related Questions

Math - A vertical tower is supported by guy wires anchored at a point on the ...
trig - A wind storm caused a 64 ft pole to lean due easwt at an angle of 63.8 ...
Math - A guy wire 11.2m long. It supports a vertical power pole. The wire is ...
math REALLY need help please - A guy wire is 11.2m long. It supports a vertical ...
algebra - Guy wire. How long is a guy wire reaching from the top of a 24ft ploe ...
geometry - A guy wire is used to stabilize a utility pole. The wire is fastened ...
algebra - a piece of wire measuring 20 feet is attached to a telephone pole as a...
algebra 2 - Guy wire. How long is a guy wire reaching from the top of a 21ft ...
algebra 2 - Guy wire. How long is a guy wire reaching from the top of a 24ft ...
algebra 2 - Guy wire. How long is a guy wire reaching from the top of a 24ft ...

For Further Reading

First Name:
School Subject:
Answer: