GROUP 1
A door is opened at a small angle of about 30°. This angle is:
A) Obtuse
B) Acute
C) Right
D) Straight
B) Acute
The corner of a notebook forms which type of angle?
A) Acute
B) Right
C) Reflex
D) Obtuse
B) Right (900)
A straight road forms which type of angle?
A) Straight angle
B) Reflex angle
C) Acute angle
D) Obtuse angle
A) Straight angle
At 9:00 on a clock, the angle between the hands is:
A) Acute
B) Obtuse
C) Right
D) Reflex
C) Right(900)
A fan completes one full rotation. The angle formed is:
A) 180°
B) 90°
C) 360°
D) 270°
C) 360°
A ladder leaning against a wall makes an angle of 120° with the ground. This angle is:
A) Acute
B) Right
C) Obtuse
D) Reflex
C) Obtuse
At 2:00 on a clock, the angle between the hands is approximately:
A) Acute
B) Right
C) Straight
D) Reflex
A) Acute
A pizza is cut into 6 equal pieces. The angle at the center of each piece is:
A) 30°
B) 45°
C) 60°
D) 90°
C) 60°
A person rotates from East to South. The turn made is:
A) Acute
B) Right
C) Obtuse
D) Straight
B) Right (90°)
A book is opened more than halfway but not completely flat. The angle formed is likely:
A) Acute
B) Right
C) Obtuse
D) Straight
C) Obtuse
A student turns 270° from his original position. This angle is:
A) Straight
B) Acute
C) Reflex
D) Right
C) Reflex
A student opens a pair of scissors slightly while cutting paper. The angle formed between the blades is about 50°. What type of angle is this?
A) Acute angle
B) Right angle
C) Obtuse angle
D) Straight angle
A) Acute angle
A square has four equal angles. Each angle is:
A) Acute
B) Right
C) Obtuse
D) Reflex
B) Right
A swing moves forming an angle greater than 180° but less than 360°. The angle formed is:
A) Obtuse
B) Straight
C) Reflex
D) Complete
C) Reflex
Which of the following cannot be an obtuse angle?
A) 100°
B) 150°
C) 90°
D) 120°
C) 90°