(1) Find the circumference of the circles with the following radius: (i) 7 cm (ii) 21 cm (iii) 28 mm (iv) 3.5 cm. (2) Find the area of the circes, given that: (i) radius = 14 mm (ii) diameter = 49 m (iii) diameter = 9.8 cm (iv) radius = 5 cm Solution: (3) find […]