A straight angle measures _________

Q. The measure of a straight angle is
(a) 90°
(b) 150°
(c) 180°
(d) 360°

Q. An angle which measures more than 180° but less than 360° is called
(a) an acute angle
(b) an obtuse angle
(c) a straight angle
(d) a reflex angle

Q. The measure of the angle between the coordinate axes is

(a) 0°

(b) 90°

(c) 180°

(d) 360°

Q. A reflex angle measures

(a) more than 90° but less than 180°
(b) more than 180° but less than 270°
(c) more than 180° but less than 360°
(d) None of these

Q. An angle which measures more than ${90}^{\circ }$ and less than ${180}^{\circ }$ is called a/an ____.