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A 20-ft ladder leans against a building. If the triangle it makes has a base of 8 ft, what is the measure of the angle that the foot of the ladder makes with the ground(base)?

 Nov 24, 2015
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A 20-ft ladder leans against a building. If the triangle it makes has a base of 8 ft, what is the measure of the angle that the foot of the ladder makes with the ground(base)?

 

Cos(x)=8/20=.4

Acos(.4)=66.42 degrees

 Nov 24, 2015

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