yesyourmaster19 yesyourmaster19 20-04-2024 Mathematics Answered 6. The diagram shows two arcs AB and CD of two concentric circles with centre O. OB = 7 cm, OC = 10 cm and ZAOB = 60°. Find (i) the length of the arc AB, (ii) the perimeter of the region ACDB, (iii) the area of the region ACDB. 7 cm 60°