In the figure, if ∠A = 100° then ∠C = ?
Answer & explanation
Correct answer: option 3
\(\angle\)A = 100
As we know,
\(\angle\)A + \(\angle\)C = 180 [opposite angles of cyclic quadrilateral]
= 100 + \(\angle\)C = 180
= \(\angle\)C = 180 - 100 = 80
Therefore, \(\angle\)C is \({80}^\circ\).