a ladder leans against a awall.The top of the ladder is 8 feet above the ground. If the botttom of the ladder is then moved 2 feet farther from the wall, the ladder will lie on the ground with its toptouching the wall. How long is the ladder?

Question

a ladder leans against a awall.The top of the ladder is 8 feet above the ground.  If the botttom of the ladder is then moved 2 feet farther from the wall, the ladder will lie on the ground with its toptouching the wall.  How long is the ladder?

Writeacher · Answer

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bobpursley · Answer

let b be the base, h the height, and l the length. b^2+8^2=L^2 and b+2=L so b=L-2 THEN (L-2)^2+8^2=L^2 solve for L

Ryan · Answer

ok my B i was just sorta needy of an answer quickly bcuz i gotta turn this in tomorrow thanks

Ryan · Answer

Thanks man!!!