contestada

A 24 foot ladder is leaning against the side of a house and is positioned 21 feet
from the house. How far above the ground is the point where the ladder touches
the building?

Respuesta :

Answer:

11.7 feet long

Step-by-step explanation:

Formula: a^2+b^2=c^2

a^2+21^2=24^2

a^2+441=576

576-144=135

Square root of 135 is 11.61895004

Round to the nearest tenth is 11.7

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