Asked by carol
crystal wants to build a ramp that will rise 4ft over a horizontal distance of 20ft. how long will the ramp be? round to the nearest tenth.
Answers
Answered by
Emily
Use the Pythagorean Theorem.
a^2 + b^2 = c^2
4^2 + 20^2 = c^2
16 + 400 = c^2
416 = c^2
c = sqrt 416
c = 20.4
If you draw a picture, you'll end up with a right triangle, and the two shorter sides are a and b, and the hypotenuse (long side) is c.
Do you get it?
a^2 + b^2 = c^2
4^2 + 20^2 = c^2
16 + 400 = c^2
416 = c^2
c = sqrt 416
c = 20.4
If you draw a picture, you'll end up with a right triangle, and the two shorter sides are a and b, and the hypotenuse (long side) is c.
Do you get it?
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