The cos of the angle is 4/20 = 1/5
The angle, of course, is arccos(.2).
You can get the angle from most any scientific calculator, but if required you can interpolate in a table of cosines.
Aiden T.
asked • 01/22/21A 20 foot ladder is leaning up against the side of a house. The distance between the house and the base of the ladder is 4 feet. Find the measure of the angle that the ladder makes with the ground.
Round to the nearest tenth.
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Aiden T.
So the answer is 2?01/22/21