asked 165k views
2 votes
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

asked
User VasiliyL
by
7.1k points

1 Answer

5 votes

Answer:

4

Explanation:

1

answered
User NrNazifi
by
8.6k points
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