Question

sides of rectangle (3x +5) cm and (7x-9) cm its perimeter is​

Answer 1

Answer:

The answer of this question is 20x-8

Answer 2

Answer:

The perimeter of rectangle is 20x-6

Step-by-step explanation:

$\sf{}$

=> perimeter of rect. = 2(l+b)

=> 2{(3x+5)+(7x-9}

=> 2(3x+5+7x-9)

=> 2(10x-4)

=> 20x-8