Question

the sides of a triangular plot are in the ratio of 6:7:8 and its perimeter is 420m.find its area.​

Answer 1

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Answer 2

Step-by-step explanation:

let the sides be 6x , 7x and 8x

6x+7x+8x= 420

21x= 420

x= 420/21

x= 20

6x= 120

7x= 140

8x= 160