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I really need help with 7 and 8

I really need help with 7 and 8-example-1
User Nathan M
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1 Answer

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7. 55 + 35 + x = 180 x = 90 making the triangle a right triangle.

8. The room would be 11 inches by 8.5 inches. The scale factor is 1/2 : 1
User Roanna
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