The base of a rectangle measures 8 feet and the altitude measures 5 feet. find to the nearest degree, the measure of the angle that the diagonal makes with the base.

We can say that the 8 foot base is the adjacent side.
We can say that the 5 foot altitude is the opposite side.
the tangent of the base angle = 5/8 = .625
Therefore the angle equals
arc tangent (.625) = 32.005 degrees

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