A square 20 cm long and a rectangle 24 cm long have the same perimeter.

Question

A square 20 cm long and a rectangle 24 cm long have the same perimeter. Find the area of the rectangle.

 

Please tell me the final answer and how you got it.

Answer 1

Perimeter_square = 80cm (4 x 20)

Perimeter_rectangle = (24 + 24 + 2w)cm

80 = 48 + 2w

32 = 2w

16 = w

 

The rectangle s 24 x 16.

What is the area?