SOLUTION: how far up on a wall of a building will a 10 meter ladder reach if the foot of the ladder is 1.25 meters from the wall? sketch the situation and then explain your answer by referri

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Question 1074985: how far up on a wall of a building will a 10 meter ladder reach if the foot of the ladder is 1.25 meters from the wall? sketch the situation and then explain your answer by referring to the Pythagorean theorem.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
y, leg how far up wall
1.25, other leg
10, hypotenuse

y%5E2%2B1.25%5E2=10%5E2
y%5E2=100=1.25%5E2
y=sqrt%28100-1.5625%29
y=9.92