Question

Sides of a triangular plot are in the ratio 7:8:10. Perimeter of this plot is 130m. find the length
of the sides.
​

Answer 1

Answer:

$\underline{\bigstar{\sf\ Given:-}}$

Ratio of sides of triangle is 7 : 8 : 10

Perimeter of triangle = 130 m

$\underline{\bigstar{\sf\ To\:Find:-}}$

Length of the sides.

$\underline{\bigstar{\sf\ Solution:-}}$

Let the sides be 7x, 8x and 10x.

Perimeter of triangle = Side + Side + Side

130 = 7x + 8x + 10x

130 = 25x

x = $\frac {130}{25}$

⇒ x = 5.2

Therefore, Sides of triangle will be

= 7 × 5.2 = 36.4 m

= 8 × 5.2 = 41.6 m

= 10 × 5.2 = 52m.

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Answer 2

Step-by-step explanation:

✪ Perimeter of triangle = 3a

◉ Let's one side = 7x .

second side = 8x .

third side = 10x .

✯ perimeter = 130

:- 7x + 8x + 10x = 130.

25x = 130.

x = 130 / 25

x = 5.2

First side = 7x = 7 × 5.2 = 36.4 m

Second side = 8 × 5.2 = 41.6 m.

Third side = 10 × 5.2 = 52.0 m.

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