Question

Two straight lines AB and CD intersect one another at the point O. If AOC + COB + BOD = 274 then AOD = a) 86 b) 90 c) 94 d) 137

Answer 1

Answer:

a) 86

Step-by-step explanation:

∆AOC+∆COB+∆BOD+∆AOD = 360*

360*-(∆AOC+∆COB+∆BOD) = ∆AOD

360*-274* = 86*