Math, asked by hsihejejhe, 3 months ago

please answer me this answer.

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Answered by vaibhav3125

1

Answer:

angle OAC =30

Aoc + OAC + OCA =180 ( sum of 3 angles of triangle)

AOC +30+30 =180

AOC =180-60

120

120+CBA =180 (sum of the opposite angles of cyclic quadrilateral)

CBA =180-120

60

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