1.

Constructe a triangle with perimeter 12 cm ad ratios of their sides 3:4:5​

Answer»

Step-by-step EXPLANATION:

Let the common ratio be x.

1st SIDE = 3x

2nd side = 4x

3rd side = 5x

3x+4x+5x = 12 (PERIMETER = Sum of all sides)

12x = 12

x = 12/12 = 1

1st side = 3x = 3*1 = 3cm

2nd side = 4x = 4*1 = 4cm

3rd side = 5x = 5*1 = 5cm

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