Question

the perimeter of a traingle is (7x+ 5y-11z)metres if its two sides are (2x+3y+z)m and (3x+y-7z) find its third side
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Answer 1

Answer:

hey mate your answer

Step-by-step explanation:

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

hope it helps you