Question

The diagram shows a rectangle. 5cm 1cm four of these rectangles are put together as shown, calculate the shaded area

Answer 1

15 cm²

Explanation:

5 + 1 + 1 = 7

7 × 5 = 35

5 × 1 = 5

5 + 5 + 5 + 5 = 20

35 - 20 = 15

Answer 2

15 sq.cm

Explanation:

Length of the shaded rectangle = length of the unshaded rectangle = 5 cm

Breadth of the shaded rectangle = 5 - ( 1 + 1) = 5 - 2 = 3 cm

Area of the shaded rectangle = 5 * 3 = 15 sq.cm