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10 ft ladder leans against wall its foot braced 3 ft from wall's base. how far up the wall does the ladder reach? please walk me through it
12 years ago

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bobpursley
you know a right triangle the hypotensue squared is equal at the sum of the square of the legs.

100^2=3^2+H^2
h^2=91
h= sqrt (91)
12 years ago

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