Asked by Natasha
A 12-foot ladder is leaning against a wall. The base of the ladder is 4 feet from the wall. How tall is the wall?
Answers
Answered by
Natasha
Two angles are supplementary.One angle measures 2 more than 3 times the other angle.what is the measure of each angle?
Answered by
Steve
the wall, ground, and ladder form a righ triangle, with the ladder as hypotenuse, so,
x^2 + 4^2 = 12^2
supplementary angles add up to 180 degrees. So,
x + 3x+2 = 180
one angle is x, the other is 3x+2. Solve for x, and you're almost there.
x^2 + 4^2 = 12^2
supplementary angles add up to 180 degrees. So,
x + 3x+2 = 180
one angle is x, the other is 3x+2. Solve for x, and you're almost there.
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