1. A wooden plank is leaning against a wall. The bottomof the plank is 3 feet from the wall. Answer each of the following questions,and show all of your work.a) Find AC, theapproximate length of the plank. Round to the nearest tenth of a foot.b) Find BC, theheight 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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