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Write a proportion for each set of similar polygons. Solve for the unknown side.

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Write a proportion for each set of similar polygons. Solve for the unknown side. Type-example-1
Write a proportion for each set of similar polygons. Solve for the unknown side. Type-example-1
Write a proportion for each set of similar polygons. Solve for the unknown side. Type-example-2

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Explanation:

The proportion of similar triangles are


(3)/(4) = (9)/(r)

Solving for r


(4)/(3) = (r)/(9)


(9 * 4)/(3) = r


12 = r

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