Find the value of t in the diagram
...
Find the value of t in the diagram
A.
63\(^o\)
B.
117\(^o\)
C.
126\(^o\)
D.
234\(^o\)
Correct answer is C
In the diagram,
\(\alpha\) = 180\(^o\) - 177\(^o\) (angles on a straight line)
\(\alpha\) = 63\(^o\)
t = 2 x 63\(^o\) (angle at centre = 2 x angle at circum)
= 126\(^o\)
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