A 25 foot ladder leans against a house. How far is the foot if the ladder from base if the building if the top of the ladder is 20 feet from the ground?

A 25 foot ladder leans against a house How far is the foot if the ladder from base if the building if the top of the ladder is 20 feet from the ground class=

Respuesta :

Answer:

C.

Step-by-step explanation:

x^2+20^2=25^2

x^2+400=625

x^2=225

x=15