Question

12. The perimeter of a triangle is (3x + 4y) units. If its two sides are
(2x + y) units, (2x+y) units, find the third side

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Answer 1

Answer:

The Third side is (2y-x)

Step-by-step explanation:

The perimeter of triangle = (3x+4y)

sum of all sides=(3x+4y)

(2x+y)+(2x+y)+?= (3x+4y)

4x+2y+?=(3x+4y)

?=3x+4y-4x+2y

?= 2y-x

Verification:

(2x+y)+(2x+y)+(2y-x) =(3x+4y)

4x+2y+2y-x=(3x+4y)

3x+4y=3x+4y