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The lengths of the sides of a triangie are in the ratio 3:4:5. The perimeter of the triangle is
18in. Find the lengths of the sides.

Sagot :

sqdancefan

Answer:

  4.5 in, 6 in, 7.5 in

Step-by-step explanation:

The sum of the ratio units is 3+4+5 = 12. These correspond to 18 inches, so each ratio units stands for (18 in)/12 = 1.5 in.

The side lengths are ...

  3×1.5 in = 4.5 in

  4×1.5 in = 6.0 in

  5×1.5 in = 7.5 in

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