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The lengths of the sides of a triangle are in the extended ratio 4 ​: 5 ​: 7. The perimeter of the triangle is 32 cm. What are the lengths of the​ sides?
The lengths of the sides of the triangle in cm are

Respuesta :

Firstly you need to add up the ratio:
4 + 5 + 7 = 16,
Divide 32 by 16 = 2, 
Times each ratio by two:
8cm, 10cm, 14cm.

Hope this helps.

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