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After joining two pieces of a picture frame together, a frame maker checks her work by measuring the diagonal. The sides of the frame form a right angle and the measurements are as follows: a = 12 in. and b = 5 in

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I don’t know what the question is asking but I’m assuming you’re looking for c, the hypotenuse, then you would do a2 + b2 = c2. And you plug in the information given so it would be 12squared + 5squared = Csquared.

(12x12) + (5x5) = c2

144 + 25 = c

169 = c

Then you would find the square root of 169

C = 13


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