Question

D
4. In a quadrilateral ABCD, OA and OB are bisectors of ZA
C
and 2B respectively. Prove that ZAOB = 2 (ZC + ZD).
Hint. - ZA + {2B +
ZB + ZAOB = 180°
ZA + B + C + ZD = 360°
į (ZA+ ZB) = 180º – ž (ZC + D).
n
A
B​

Answer 1

Answer:

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