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Geometry genius needed

E

edprush

Platinum Member
I am renting a moving van that is 11.6' long x 6' wide x 5.5' tall.

I need to know what the distance between the bottom-right corner and the top-left corner is.

I know how to use Pythagorean theorem to figure bottom-right corner to BOTTOM-left corner (13.06') but I have no idean how to figure the above distance in a cube.

 
Originally posted by: DaShen
11.6^2 + 6^2 = x
x + 5.5^2 = y^2
Find y
Click to expand...
Exactly. Edprush, if you understand how to get the length of two sides of that final triangle, and if you understand the Pythagorean theorem, why can't you figure it out from there?
 
Originally posted by: edprush
I am renting a moving van that is 11.6' long x 6' wide x 5.5' tall.

I need to know what the distance between the bottom-right corner and the top-left corner is.

I know how to use Pythagorean theorem to figure bottom-right corner to BOTTOM-left corner (13.06') but I have no idean how to figure the above distance in a cube.
Click to expand...

You had the answer right in your hand!

Use the P theorem to solve for both triangles. First solve along the bottom, then use that with the height as your second triangle and apply the P theorem again.
 
Originally posted by: George P Burdell
diagonal = sqrt(length^2 + width^2 + height^2)
Click to expand...
While true and useful, it doesn't help to confuse the already confused into thinking there is one more equation to memorize. When in fact, this is just the combination of two uses of an equation he already knows.
 
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