A 15 foot ladder is leaning against the side of a house so that the distance on the ground between the base of the ladder and the house is 7 feet. What is the angle at the base of the ladder is making with the ground?


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John McCann Profile
John McCann answered

This is a simple trig right triangle function problem.

cos(theta) = adjacent/hypotenuse

cos(theta) = 7 ft/15 ft

= 0.46666

======In radians.

0.46666 * (180 degrees/pi)

= 26.74 degrees


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