Question

A rectangle with adjacent sides of length 5cm and 4cm

Answer 1

Hey mate !!

Area of the rectangle => 5*4 = 20cm^2
Perimeter of the rectangle => 2(5+4) = 18cm

Hope this helps☺☺

Answer 2

Length of rectangle = 5 cm

Breadth of rectangle = 4 cm

So, perimeter = 2(L+B) units

2(5+4) cm = 2 * 9 = 18 cm

And , area = L * B sq units = 5*4 = 20 cm ².