Question

Which of the following is true about the figure?

• A. AO is the vertex of angle AOB
• B. O is the vertex of the angle AOB.
• C. O is the arm of the angle AOB
• D. OB is the vertex of the angle AOB

Answer 1

The correct option is B O is the vertex of the angle AOB.

In the figure,
O is the vertex of the angle AOB.
OA and OB are the arms of the angle AOB.
$\therefore$ Only statement 1 is correct i.e O is the vertex of the angle AOB.