Find the remaining angles — task. Maths CBSE Mentoring, Class 9 Mentoring product.

Answer variants:

\(60^{\circ}\)

\(30^{\circ}\)

\(80^{\circ}\)

\(90^{\circ}\)

Two lines \(AB\) and \(CD\) intersect at \(O\). If \(\angle AOC + \angle COB + \angle BOD = 270^{\circ}\), find the measures of:

\(\angle AOC =\)

\(\angle COB =\)

\(\angle BOD =\)

\(\angle DOA =\)

Did you find an error?

9. Find the remaining angles