Question

The sum of the angles of a triangle is 180°
The sides of a triangle are in the ratio 3: 2:4. If the perimeter of the triangle is
27 cm, find the length of each side.​

Answer 1

Answer:

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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