Question

find the perimeter of a traiangle whose sides are x+ 3y,2x+y,x-y​

Answer 1

Answer:

given, sides are = x+3y, 2x+y, x-y

perimeter = sum of sides = x+3y+2x+y+x-y = 4x+3y

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Answer 2

Answer:

perimeter of triangle = sum of all sides

2 S = x + 3 y + 2 x  + y + x -y

2 S = 4 x + 3 y

Step-by-step explanation: