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Mathematics, 13.10.2020 15:01 Frankie103947

A flat 12-foot board rests with one end on the ground and the other end up on a ledge that is 4 ft. above the ground. What is the angle the board makes with the ground?

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A flat 12-foot board rests with one end on the ground and the other end up on a ledge that is 4 ft....

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