SOLUTION: legs of a right triangle have lengths x + 4 and x+ 7. The hypoetnuse has length 3x. Find the perimeter of the triangle. answer choices: a. 36 units, B. 33 units and C. 31 units

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Question 436465: legs of a right triangle have lengths x + 4 and x+ 7. The hypoetnuse has length 3x. Find the perimeter of the triangle. answer choices: a. 36 units, B. 33 units and C. 31 units
Answer by robertb(5830)   (Show Source): You can put this solution on YOUR website!

<==>
<==>
(x-5)(7x +13) = 0
==> x = 5, -13/7.
Choose only 5.
The sides of the triangle are 9, 12, and 15.
The perimeter is 36 units.

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