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Byju's Answer
Standard VII
Mathematics
Equal Angles Subtend Equal Sides
In the given ...
Question
In the given figure, BD =DC and
∠
DBC =
30
0
. Find the measure of
∠
BAC if O is centre of the circle.
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Solution
B
D
=
D
C
⇒
∡
B
C
D
=
30
°
∴
∡
B
D
C
=
120
°
⇒
∡
B
A
C
=
60
°
(Opposite
∡
s of cyclic quadrilateral)
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