Asked by sam
A ladder is 2 m long. It leans against a wall so that it is 90 cm from the base of the wall. How far up the wall does the ladder reach? Put your answer in m. Round to 3 sig fig.
Answers
Answered by
Joe
First get the same units 2 m and .9 m
wall = x
x^2 + .9^2 = 2^2
x^2 + .81 = 4
solve for x.
wall = x
x^2 + .9^2 = 2^2
x^2 + .81 = 4
solve for x.
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