(a) Area of square = side x side = 10 cm x 10 cm = 100 cm2
(b) Area of square = side x side = 14 cm x 14 cm = 196 cm2
(c) Area of square = side x side = 5 m x 5 m = 25 m2
Complete the drawing shown in Fig. 9.14 to indicate where the free ends of the two wires should be joined to make the bulb glow