The perimeter of $△ P Q R$ is $30 c m$ .
Write a linear equation in two variables based on the information given above.

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Solution

The perimeter of a triangle is sum of all the sides
Hence, given on the values:

Perimeter $= x + (x + 6) + (2 y - 4) = 30 c m$
Perimeter $= 2 x + 6 + 2 y - 4 = 30 c m$
Perimeter $x + y = 14 c m$

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The perimeter of △PQR is 30cm.Write a linear equation in two variables based on the information given above.

The perimeter of a triangle is sum of all the sidesHence, given on the values:Perimeter =x+(x+6)+(2y−4)=30cmPerimeter =2x+6+2y−4=30cmPerimeter x+y=14cm

The perimeter of $△ P Q R$ is $30 c m$ .
Write a linear equation in two variables based on the information given above.

The perimeter of a triangle is sum of all the sides
Hence, given on the values:

Perimeter $= x + (x + 6) + (2 y - 4) = 30 c m$
Perimeter $= 2 x + 6 + 2 y - 4 = 30 c m$
Perimeter $x + y = 14 c m$