Question

in the figure
AC is a diameter of the circle if Angle ACB = 55,then find the value of x​

Answer 1

Answer:

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Answer 2

Answer:

x =35°

angle OCD=55°(AC IS A ANGLE BISECTOR)

ANGLE BOD IS A LINEAR PAIR =180°

SO,

ANGLECOD =90°

CONSIDER TRIANGLE OCD,

SUM OF ALL ANGLE IN A TRIANGLE =180°

COD+ODC+COD=180°

90+ODC+55=180°

145+ ODC=180

ODC=145-180

ODC=35