Question 1126232
1.  The ladder, wall and ground form a right triangle, note that the ladder is the hypotenuse of the right triangle
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2.  sin(65) = x/5
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x = sin(65) * 5 = 4.5315
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The ladder will reach 4.5315 metres up the wall
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3.  cos(65) = x/5
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x = cos(65) * 5 = 2.1131
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The foot of the ladder is 2.1131 metres from the base of the building
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