Question

The length of a rectangle is 6cm and its perimeter is 16cm .The area of the rectangle in square centimeter is

Answer 1

HOPE It helps
This pic is helpful

Answer 2

the perimeter of rectangle = 2 ( l + b )
16 = 2 ×6b
16 ÷2 = 6b
8 = 6b
8-6 = b
2=b
the area of rectangle = l × b
6×2
12cm square