Question

In a straight line, what is the first basic angle that would be obtained?

• A. ${90}^{\circ }$
• B. ${270}^{\circ }$
• C. ${180}^{\circ }$
• D. ${45}^{\circ }$

Answer 1

The correct option is C ${180}^{\circ }$

If an angle bisector is drawn to a straight line then we get ${90}^{\circ }$.
$\therefore$The angle that the straight line produces is ${180}^{\circ }$.