## (c) The perimeter of a triangle is 48 cm. If the sides of the triangle are in the ratio 3:4:5, then find the length of each side

Question

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## Answers ( )

Answer:Answer is 4 because

4x+5x+ 3x=12x

12x=48

x=48/12

x=4

Lengths of the sides are 12cm, 16cm and 20 cm.

Step-by-step explanation:The sides are in the ratio 3:4:5.

Let us take the three sides to be 3x,4x and 5x.

3x+4x+5x=48 (Sum of the sides of the triangle = perimeter of the triangle)

12x=48

x=4

Therefore,

First side = 3x = 3*4 = 12cm

Second side = 4x = 4*4 = 16cm

Third side = 5x = 5*4 = 20cm

hope it helps.