English, asked by armyblink61, 15 days ago

The perimeter of a triangle is 9m2 -2n+8 and its two sides are 4m2+3n and 7m2+5n-12.
Find the third side of the triangle. If the length of the altitude on the third side is 2m+n then find the area of the triangle.​

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Answered by hameedhaabdul479
1

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