1.

the perimeter of a triangular park is 180m and it's sides are in the ratio 5:6:7 . Find the area of the park?

Answer»

EXPLANATION:

Let the 3 sides be 5X, 6x and 7x

perimeter = 180m

therefore,

perimeter = SUM of all sides

180 = 5x + 6x + 7x

180 = 18x

x =  \frac{180}{18}

x = 10

5x = 5×10 = 50m

6x = 6×10 = 60m

7x = 7×10 = 70m

hope it will help u



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