A stick of length ( 5x - 4y + 11z) is divided into three pieces. The length of two pieces are ( 7x - 2y + 3z) and (z - 3y + x). Find the length of the third piece.
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It is given that
Sides of a triangle are 2x+3y,x+5y and 7x−2y
We know that
Perimeter = Sum of all three sides of a triangle
Substituting the values
P=2x+3y+x+5y+7x−2y
By further calculation
=2x+x+7x+3y+5y−2y
So we get
=10x+8y−2x
=10x+6y
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