Question

1. The sides of a rectangle are 3 a2 +6b and 4 a2 + b. Find its perimeter. ​

Answer 1

Answer:

perimeter of rectangle=2(l+b)

2(3a^2+6b+4a^2+b)

2(7a^2+7b)

14a^2+14b

14(a^2+b)