a 65 ⊾aco = 90 ⊾aco = 60 ⊾aco = 80 ⊾aco = 65 c o b ab is the diameter of a circle with centre o. Find |⊾aco| a 65 ⊾acb = 80 ⊾acb = 100 ⊾acb = 65 ⊾acb = 90 c o b a 65 ⊾aoc = 80 ⊾aoc = 100 ⊾aoc = 65 ⊾aoc = 50 c o b a 65 ⊾acb = 80 ⊾acb = 100 ⊾acb = 65 ⊾acb = 90 c o b a 65 ⊾bco = 65 ⊾bco = 25 ⊾bco = 90 ⊾bco = 35 c o b a 65 ⊾cob = 65 ⊾cob = 130 ⊾cob = 90 ⊾cob = 135 c o b a 65 ⊾cbo = 65 ⊾cbo = 25 ⊾cbo = 90 ⊾cbo = 35 c o b a 65 ⊾acb = 80 ⊾acb = 100 ⊾acb = 65 ⊾acb = 90 c o b a 65 ⊾cob = 65 ⊾cob = 130 ⊾cob = 90 ⊾cob = 135 c o b a 65 ⊾acb = 80 ⊾acb = 100 ⊾acb = 65 ⊾acb = 90 c o b |