Question

The diagram shows a square with a perimeter of 20cm. Eight of these squares fit to make a rectangle. What is the perimeter of the rectangle

Answer 1

20 cm/4 sides = 5 cm/side

2(5(4) + 5(2)) = 2(20 + 10) = 2(30) = 60 cm

The perimeter of the rectangle is 60 cm.