SOLUTION: A 18-foot ladder leans against a wall at a 74 degree angle of elevation. Find the distance from the ladder's base to the wall.
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Question 537067: A 18-foot ladder leans against a wall at a 74 degree angle of elevation. Find the distance from the ladder's base to the wall.
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
A 18-foot ladder leans against a wall at a 74 degree angle of elevation. Find the distance from the ladder's base to the wall.
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Let x = distance (base to wall)
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Applying trigonometry:
cos x = adjacent/hypotenuse
cos(74) = x/18
18*cos(74) = x
4.96 feet = x
or approximately:
5 feet = x
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