Question

The length and breadth of a rectangle are (3a-4b) and (5a+2a) find it area and perimeter

Answer 1

hey mate here is ur answer =

☆Petimeter=2(l+b)

=2(3a-4b+5a+2a)

=2(10a-4b)=20a-8b.

Area=l×b

=(3a-4b)×(7a)=21a^2-28ab.

hope it helps.

✔✔✔✌

Answer 2

$\huge{\boxed{\mathtt{\purple{Answer}}}}$

Petimeter=2(l+b)

=2(3a-4b+5a+2a)

=2(10a-4b)=20a-8b.

Area=l×b

=(3a-4b)×(7a)=21a^2-28ab.

hope it helps.