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As Randi started to solve for in the diagram at right, she wrote the equation...

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Geometry

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As Randi started to solve for in the diagram at right, she wrote the equation 72 + x = (x + 1).a. Is Randi's equation valid? Explain your thinking.Hint (a):b. To solve her equation, first rewrite (x + 1)2 by multiplying (x + 1)(x + 1). You may want to review the Math Notes box for Lesson 2.2.2.c. Now solve your equation for x.Hint (c):d. What is the perimeter of Randi's triangle??Hint (d):Use the value of x to determine the length of each side of the triangle.

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