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CBSE Class 9 Answered

the sides of atriangular plt are in the ratio of 3:5:7 and the perimeter is 300 m .find its area  
Asked by abhik80365 | 25 Feb, 2018, 08:18: PM
answered-by-expert Expert Answer
Let sides of triangular plot are 3x,5x,7x
3x+5x+7x=300
15x=300
x=20 m
Sides are 60m,100m,140m
Now find area of triangle using Heron's formula.
Answered by Sneha shidid | 25 Feb, 2018, 09:19: PM

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