SOLUTION: A 12 meter loading ramp covers9 meter of ground.how high does it rise?with solution.

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Question 478663: A 12 meter loading ramp covers9 meter of ground.how high does it rise?with solution.
Answer by mananth(16949) About Me  (Show Source):
You can put this solution on YOUR website!
You can solve using Pythagoras theorem
Hypotenuse = 12
distance on ground = 9
Height of ramp =h
12^2-9^2= h^2
144-81=h^2
h= sqrt(63)
h= sqrt(9*7)
h=3sqrt(7)