Question

The perimetre of a triangle field is 420
m and its sides are in catio 6:7:8.
Find the area of triangle field.​

Answer 1

Let the ratios be x
Then sides are- 6x, 7x, 8x
Perimeter- 420
Now 6x+ 7x+ 8x = 420
Then, 21x = 420
X= 420/21
X= 20
Now 6*20= 120
7*20= 140
8*20= 160
As u have got all the sides, now u can easily find the area

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