Question

if the length and breadth of rectangle is 3a +2 and 2a respectively , then it's perimeter is - ​

Answer 1

Answer:

10a+4

Step-by-step explanation:

perimeter of rectangle=2×(l+b)

=2×(3a+2+2a)

=2×(5a+2)

=10a+4

Answer 2

Answer is 10a+4

Step-by-step explanation:

1.formula for perimeter of rectangle is 2(l+b)

2.subtitute l and b in the above formula

3.we get 2(3a+2+2a)

4.if we simplify we get 10a +4

therefore answer is 10a+4