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Perimeter of two similar triangles is 30 cm and 20 cm. One side of first triangle is 12 cm. Determine corresponding side of second triangle.
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the answer is 8
since for similar triangle ratios of perimeters are equal to corresponding sides .
so, 30÷20=12÷a
so, a= 8
since for similar triangle ratios of perimeters are equal to corresponding sides .
so, 30÷20=12÷a
so, a= 8
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