Question

the sides of a triangle are in the ratio 3:4:5.If the perimeter of the triangle is 96cm , find the length of its sides.
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Answer 1

Answer:

perimeter of triangle =sum of all sides

96=3x+4x+5x

96=12x

x=96/12

x=8

sides=3x=3×8=24cm

4x=4×8=32cm

5x=5×8=40cm.

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Answer 2

Hey!

• Side a : 3x

• Side b : 4x

• Side c = 5x

• Perimeter of the triangle = 96 cm

• But, perimeter of the triangle, P = a+b+c

Therefore, P = 3x+4x+5x

• 96 = 12x

• x = 8

Now;

a = 3*8 = 24 cm

b = 4*8 = 32 cm

c = 5*8 = 40 cm

Hope it helps!