To construct a triangle given perimeter = 12 cm and ratio of sides = 3:4:5, what are the side lengths?

Type: MCQ • Marks: 1

A. 1 cm, 4 cm, 7 cm

B. 5 cm, 8cm, 5 cm

C. 6 cm, 8 cm, 10 cm

D. 3 cm, 4 cm, 5 cm

Explanation

3x + 4x + 5x = 12 => 12x = 12 => x = 1. Sides are 3 cm, 4 cm, 5 cm.

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Class 7th Ganita Prakash 2

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