Question 2
Four shaded right-angled triangles with leg lengths 1 cm × 4 cm, 2 cm × 4 cm, 3 cm × 4 cm and 4 cm × 4 cm fit together to form a quadrilateral. It fits inside a 5 cm × 8 cm rectangle as shown. Find the area of the quadrilateral, in square centimetres. The legs are the two sides beside the right angle.
Enter one whole number, without units.
Enter one whole number, without units.