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Alik [6]
4 years ago
14

1. The sides of a triangle are in the ratio 3:4:5 What is the length of each side if the perimeter

Mathematics
1 answer:
Nataly_w [17]4 years ago
7 0

Answer:

22.5 cm, 30 cm, 37.5 cm

Step-by-step explanation:

Sum the parts of the ratio, 3 + 4 + 5 = 12 parts

Divide the perimeter by 12 to find the value of one part of the ratio.

90 cm ÷ 12 = 7.5 cm ← value of 1 part of the ratio, thus

3 parts = 3 × 7.5 cm = 22.5 cm

4 parts = 4 × 7.5 cm = 30 cm

5 parts = 5 × 7.5 cm = 37.5 cm

The 3 sides are 22.5 cm, 30 cm and 37.5 cm

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Hope this helps :)

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