Question

a ladder is placed against the wall of the building 12 m above the ground the foot of the ladder is 9 M away from the bottom of the wall find the length of the ladder

Answer 1

p^2+b^2=h^2
p=12
b=9

:- 12^2+9^2=h^2
= 144+81=225
225=h^2 so
h=√225
h= 15

so the lenght of the ladder is 15m

Answer 2

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