Question

Suppose that a guy wire is located 15 ft up a telephone pole and is anchored to the ground 10 ft from the base of the pole. How long is the guy wire?

Answer 1

use the Pythagorean theorem:
a^2+b^2=c^2
a=10
b=15
sub values and solve for c

Answer 2

325? isnt that too long?

Answer 3

remember that 325= c^2
take the square root 325 to find c :D