## 11.2.3 Perimeter and Area, PT3 Practice

Question 9: In diagram below, ADB is a right-angled triangle and DBFE is a square. C is the midpoint of DB and CH = CD. Calculate the area, in cm2, of the coloured region. Solution: Area of △ ABC = 1 2 ×6×8 =24 cm 2 Area of trapezium BCHF = 1 2 ×( 12+6 )×6 =54 cm 2 Area of CDEFH =( … Read more11.2.3 Perimeter and Area, PT3 Practice