Question

find the parameter of a rectangle having sides (3x+2y)cm and (7y)cm

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Answer 1

Answer

the answer is 20x+6y

as 2(3x+y+7y)

2(10x+3y)

20x+6y

Answer 2

Answer:

Step-by-step explanation:

Sorry I didn’t have any paper and pen at the moment

But I hope you’ll understand the solution

So

The perimeter of a rectangle is given as

2.(L+B)

2.[(3x+2y)+(7y)]

2.[3x+9y]

Opening the bracket with 2

2(3x) + 2(9y)

6x+18y