Question

A rope 50 ft long is attached to the top of a flagpole. The rope reaches a place on the ground 20 ft for the base of the pole. Find the height of the flagpole.
A. 45.8 feet
B. 40.1 feet
C. 46.0 feet
D. 43.9 feet

Answer 1

Just use Pythagorean's Theorem:
\[a^2+b^2=c^2\]

Answer 2

So c^2 - a^2 would give me b^2?

Answer 3

Correct.

Answer 4

B=base yes?

Answer 5

45.825 is the answer

Answer 6

It doesn't really matter whether you use a or b as long as you know that C is the Hypotenuse and A or B is one of the legs.

Answer 7

Thank you bro

Answer 8

np sis

Answer 9

:P