COD =
120
0
(Given)
Then, ∠DAC =
60
(Half of ∠COD i.e.
)
Therefore, ∠BAD =
30
+
=
90
Hence, ∠BCD =
180
- ∠BAD (Opposite angles of a cyclic quadrilateral are supplementary angles).
∠BCD =
–
Answer:
Following the conditions of question, we get the figure as:
∠COD = 1200 (Given) Then, ∠DAC = 600 (Half of ∠COD i.e. 1200) Therefore, ∠BAD = 300+600=900 Hence, ∠BCD = 180
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Answers & Comments
COD =
120
0
(Given)
Then, ∠DAC =
60
0
(Half of ∠COD i.e.
120
0
)
Therefore, ∠BAD =
30
0
+
60
0
=
90
0
Hence, ∠BCD =
180
0
- ∠BAD (Opposite angles of a cyclic quadrilateral are supplementary angles).
∠BCD =
180
0
–
90
0
=
90
0
Answer:
Following the conditions of question, we get the figure as:
∠COD = 1200 (Given) Then, ∠DAC = 600 (Half of ∠COD i.e. 1200) Therefore, ∠BAD = 300+600=900 Hence, ∠BCD = 180