SOLUTION: My husband is needing to know what size mat to get based on the answer to this question - if the bottom side is 50', the second side is 80', what would the third equal? This, of c

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Question 120769: My husband is needing to know what size mat to get based on the answer to this question - if the bottom side is 50', the second side is 80', what would the third equal? This, of course, is in the shape of a triangle.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
The answer depends on the angles involved with the triangle.
If it's a right triangle, that is, one of the angles is 90 degrees, then the answer is straightforward.
Then you could use the Pythagorean theorem.
a%5E2%2Bb%5E2=c%5E2
where the sum of the squares of the shorter sides equals the square of the largest leg.
50%5E2%2B80%5E2=c%5E2
c%5E2=2500%2B6400
c%5E2=8900
c=94.3
I assumed that you're looking for the longest side of the triangle.
It was unclear in your description.
If it's not the case that you have a right triangle, it's a little more work.
You would need to re-post with the angle information (at least one angle).