Explanation:

its perimeter

formula-2(l+b)

after all you can solve it.

A rectangle has a length of 8 cm, and a breadth of 3 cm. Find its perimeter  and area?​

Length : 8 cm,

Breadth : 3 cm,

Perimeter : 2 (l+b),

2(8+3),

2(11),

22 cm.

Area : l*b,

8*3,

24 cm².