How far is the base of the ladder from the house round to the nearest tenth

Answer:
234.25
Step-by-step explanation:
a^2+b^2=c^2
u multiply a time a.
then b time b
and then add them
144+90.25
I hope this is right. Did it last year
or the answer could be 144.313
as said in other websites. plz give the brainliest!!!