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Subjects
Mathematics CBSE
Class 9
Circles
Textbook Questions
18.
Exercise Problem XIII
Exercise condition:
2
m.
ABCD
is a cyclic quadrilateral whose diagonals intersect at a point
E
. If
∠DBC =70^°
,
∠BAC
is
30^°
, find
∠BCD
. Further, if
AB=BC
, find
∠ECD
.
∠BCD=
∠ECD=
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