graham-cook_60b74dddb02ed
graham-cook_60b74dddb02ed
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bottom of ladder is x feet from house cos(70°) = x/8 x = 8cos(70°) ≅ 2.74 m top of ladder is y feet from ground sin(70°) = y/8 y = 8sin(70°) ≅ 7.52 m