Understanding Angles

Which of the following is NOT a basic type of angle discussed in the video?

• Obtuse angle

• Acute angle

• Reflex angle

• Right angle

What is the defining characteristic of a right angle?

• It is less than 90°

• It is exactly 90°

• It is greater than 90°

• It forms a circular shape

How can you visually identify a right angle?

• By a straight line

• By a small square at the vertex

• By a circular shape at the vertex

• By a larger circular shape

Which angle is larger than 90° but less than 180°?

• Obtuse angle

• Right angle

• Straight angle

• Acute angle

What is the measure of a straight angle?

• Greater than 180°

• Less than 90°

• 180°

• 90°