Question

The sides of a triangle
of a triangle are in the
ratio 3: 2:4 and the perimeter of the
triangle is 27com. Find the length of
each side.​

Answer 1

3x +2x +4x=27

9x=27

x=3

3x=3(3)=9

2x=2(3)=6

4x=4(3)=12

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Answer 2

Step-by-step explanation:

Perimeter of triangles is 27cm.

⇒ Sides are given in ratio 3:2:4

⇒ We know, Perimeter of triangle = Sum of all sides.

⇒ Let sides of triangle are 3x,2x and 4x.

⇒ 3x+2x+4x=27

⇒ 9x=27

∴ x=3

⇒ 1st side =3x=3×3=9cm

⇒ 2nd side =2x=2×3=6cm

⇒ 3rd side =4x=4×3=12cm

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