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1.  A wooden plank is leaning against a wall. The bottom
of the plank is 3 feet from the wall. Answer each of the following questions,
and show all of your work.

a)  Find AC, the
approximate length of the plank. Round to the nearest tenth of a foot.
b)  Find BC, the
height off the ground where board touches the wall. Round to the nearest foot.
angle c is 49 degreesangle B is 90 degrees

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