Catholic High Sch 2006 PSLE Math Prelim Q41

In the figure below, not drawn to scale, the square, ABCD is made up of four rectangles. Given that the area of the square ABCD = 144 square cm, area of rectangle DFHG = 20 square cm and the area of rectangle AEHG = 28 square cm, find the area of rectangle EBIH.




Solution



Area of EBIH ----- 8 cm x 7 cm = 56 square cm (Answer)