Q. Which angle is greater than 90° and less than 180° ? // Q. An angle of 180° is called ?

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Q. Which angle is greater than 90° and less than 180° ?

A) Acute angle < 90°  B) Right angle = 90°  C) Obtuse angle > 90° but < 180°  D) Straight angle = 180°

Ans: C) Obtuse angle

Explanation: An angle measuring more than 90° but less than 180° is called an Obtuse Angle.

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Q. An angle of 180° is called ?

A) Right angle  B) Straight angle  C) Acute angle  D) Obtuse angle

Ans: B) Straight angle

Explanation: An angle measuring exactly 180° is called a Straight Angle.