14) In the given figure · ABCD is a quadrilateral
and Aoand do are bisector of angel Å and angel D
The value of (x)
is ?
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Answer:
60°
Angles A+B+C+D =360
Therefore A+B = 240
In triangle AOB sum of angles is 180
A/2 + B/2 +O = 180
(A+B) /2 =120
O=60
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