Question

The side of a triangle plot are in the ratio 3 ratio 5 ratio 4 and the perimeter is 48 0 m find its area

Answer 1

To Find :

• we need to find the side of triangle .

Given :

• Ratio of sides of triangle = 3 : 5 : 4
• perimeter of triangle = 480

Let the sides of triangle be 3x , 5x and 4x

✫Perimeter of triangle = sum of all sides.

➔ 3x + 5x + 4x = 480

➔ 12x = 480

➔ x = 480/12

➔ x = 40

Hence,

• Sides of triangle are :-

⇛ 3x

= 3 × 40

= 120 m

⇛ 5x

= 5 × 40

= 200m

⇛ 4x

= 4 × 40

= 160m

Hence,

All sides of triangle = 120m, 200m and 160m

Verification :

perimeter of triangle = 480

⟶ 120 + 200 + 160 = 480

⟶ 320 + 160 = 480

⟶ 480 = 480

LHS = RHS

Hence, Verified.

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Answer 2

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