Answer:
20cm
Step-by-step explanation:
Ratio of 3 sides of a triangle is 1:2:3. 1 + 2 + 3 = 6. Perimeter of the triangle is 120cm. 120cm / 6 = 20cm.
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Answers & Comments
Answer:
20cm
Step-by-step explanation:
Ratio of 3 sides of a triangle is 1:2:3. 1 + 2 + 3 = 6. Perimeter of the triangle is 120cm. 120cm / 6 = 20cm.