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Question -

In the figure, AOB is a straight line. If тИаAOC + тИаBOD = 85┬░, then тИаCOD =
(a) 85┬░
(b) 90┬░
(c) 95┬░
(d) 100┬░



Answer -

AOB is a straight line,
OC and OD are rays on it
and тИаAOC + тИаBOD = 85┬░
But тИаAOC + тИаBOD + тИаCOD = 180┬░
тЗТ 85┬░ + тИаCOD = 180┬░
тИаCOD = 180┬░ тАУ 85┬░ = 95┬░ (c)

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