the bottom of a plank is 3 ft from the wall. find aprox length of plank. find h

Algebra
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the bottom of a wooden plank is 3 ft from wall. find aprox height off the ground where the board touches the wall. round to nearest foot. find aprox length of plank round to nearest foot.

Apr 12th, 2015

You're missing information here. What is the angle of the plank to the ground, or the plank to the wall?

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Apr 12th, 2015

math sheet.pdf  here is the sheet w/ picture and questions

Apr 12th, 2015

Ok, so then the angle of the plank to the wall is 49 degrees.

So now we set up the appropriate equation

a) sin49 = 3 / AC

AC = 3 / sin49 = 4.0 ft

b) tan49 = 3 / BC

BC = 3 / tan49 = 2.6 ft

Apr 12th, 2015

OMGosh...THABNK YOU!!!!!!!!! Im failing math and this is a big help!

Apr 12th, 2015

I'm so glad I could help :)

Apr 12th, 2015

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Apr 12th, 2015
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