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प्रश्न
If bisectors of ∠A and ∠B of a quadrilateral ABCD meet at O, then ∠AOB is
विकल्प
∠C + ∠D
`1/2 (∠"C" + ∠"D")`
`1/2 ∠"C" + 1/3 ∠"D"`
`1/3 ∠"C" + 1/2 ∠"D"`
उत्तर
If bisectors of ∠A and ∠B of a quadrilateral ABCD meet at O, then ∠AOB is `1/2 (∠"C" + ∠"D")`
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