What should be added to 110° so that the sum of the two angles are supplementary?
(a) What are three conditions you need in order to say that the given two angles are adjacent angles? [3 MARKS] (b) In the given figure, ∠1 and ∠2 are supplementary angles. If ∠1 is decreased, what changes should take place in ∠2 so that both the angles still remain supplementary?
26. What should be added to 254627 so that the sum is divisible by 9?