Question

please solve the question ​

Answer 1

Answer:

angle OCA is 30°

Step-by-step explanation:

angle ACO and angle ODB are alternate interior angle

THATS WHY THEY ARE SAME

ACCORDING TO ALTERNATE INTERIOR ANGLE.

HOPE THIS WILL HELP YOU

Answer 2

Answer:

Property: If two parallel lines are cut by a transversal, the corresponding angles are congruent.

Look at the two parallel lines (l & m), that is cut by a traversal CD.

angle ODB = angle OCB = 30 degree.