12. For what value(s) of x is a triangle with sides of lengths x, x + 7, and x + 8 a right triangle? a. x = - 7 b. x = 5 c. x = -7 or x = 5 d. -7

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A: We will use the property of different quadrilateral to find the solution to the problem .

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Q: 10. How do you identify the hypotenuse, opposite and adjacent of a right triangle?

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