Acute Angle -Multiple Choice Questions Quiz

Question 1: What is an acute angle?

(a) An angle exactly equal to 90 degrees
(b) An angle less than 90 degrees
(c) An angle greater than 90 degrees
(d) An angle with no specific measure

Question 2: In a right-angled triangle, which angle is acute?

(a) The right angle
(b) The obtuse angle
(c) All angles
(d) None of the angles

Question 3: What is the complement of an acute angle?

(a) The angle itself
(b) The difference between the angle and 90 degrees
(c) The sum of the angle and 90 degrees
(d) The difference between the angle and 180 degrees

Question 4: Which geometric shape cannot have an acute angle?

(a) Square
(b) Triangle
(c) Circle
(d) Pentagon

Question 5: What is the measure of an angle that is classified as acute?

(a) Exactly 90 degrees
(b) Less than 45 degrees
(c) Greater than 90 degrees
(d) Exactly 180 degrees

Question 6: In a straight line, what is the sum of all acute angles?

(a) 90 degrees
(b) 180 degrees
(c) 360 degrees
(d) 45 degrees

Question 7: What type of angle is opposite to an obtuse angle in a triangle?

(a) Acute angle
(b) Right angle
(c) Obtuse angle
(d) Reflex angle

Question 8: How many acute angles are there in a rectangle?

(a) 0
(b) 1
(c) 2
(d) 4

Question 9: If one acute angle in a triangle is 30 degrees, what are the measures of the other two angles?

(a) 60 degrees each
(b) 45 degrees each
(c) 90 degrees each
(d) 120 degrees each

Question 10: Which of the following angles is always acute?

(a) 90 degrees
(b) 120 degrees
(c) 45 degrees
(d) 180 degrees

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Total score: /10

Answer key:

Question 1: b

Question 2: c

Question 3: b

Question 4: a

Question 5: b

Question 6: b

Question 7: a

Question 8: d

Question 9: a

Question 10: c