## In the given figure, ABCD is a cyclic quadrilateral inscribed in a circle with centre O. CD is produced to E such that ADE = 75°.

Question

In the given figure, ABCD is a cyclic quadrilateral inscribed in a circle with centre O. CD is produced to E such that ADE = 75°. If ABO = 40°, then OAC =

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Mathematics
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2021-07-27T22:11:59+00:00
2021-07-27T22:11:59+00:00 1 Answers
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## Answers ( )

Answer:ABCD is a cyclic quadrilateral with center O.

Therefore OA=OA=OC are the radii of circle

In △AOB, OA=OB, therefore

∠ABO=∠BAO=∠BAC=45∘ [Angles opposite to equal sides]

∠OCA− cannot be determined. Because

AOC is a line, ∠AOC=180∘

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Step-by-step explanation:please mark me brainliest please..