A ladder is placed against the side of the house. The top of the ladder is 12 ft above the ground. The base wof the ladder is 5feet away from the house. Find the length of the ladde.

3 answers

Use pythagoras, a^2+b^2=c^2

a=12, b=5
c^2 = a^2 + b^2
= 12^2 + 5^2
= 144 + 25
= 169 , then square root this number to give
=13 ft. the length of the ladder

:)
arigato