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HELP ME IF YOU SEE THIS !! URGENT MATHEMATICS?

0 votes

 a 12 ft ladder makes a 40 degree angle with the ground as it leans against a house. how far up the house does the ladder reach? 

asked Mar 19, 2013 in TRIGONOMETRY by andrew Scholar

1 Answer

0 votes
cosA = adjacent/hypotenuse

cos40 = distance/12

distance = 12 cos40 = 9.19 ft
answered Apr 4, 2013 by John Lyn Pupil

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