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A, B, C and D lie on a circle a centre O. AB=7cm BC=10cm and angle ABD=77%. AOC is a diameter of the circle
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A, B, C and D lie on a circle a centre O. AB=7cm BC=10cm and angle ABD=77%.

AOC is a diameter of the circle

User VasiliyL
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Answer:

4

Explanation:

1

User NrNazifi
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