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WorksheetsEstimating Angles
Total questions: 28
Worksheet time: 18mins
Identify the acute angle in the following set of angles: 45°, 90°, 120°
75°
45°
100°
60°
Classify the angle 100° as acute or obtuse.
acute
straight
right
obtuse
Estimate if the angle formed is a right angle or not: 95°
Not a right angle
Obtuse angle
Acute angle
Straight angle
Identify the acute angle in the following set of angles: 20°, 80°, 110°
100°
20°
90°
80°
Classify the angle 160° as acute or obtuse.
obtuse
reflex
straight
right
What type of angle is a railway track
Right angle
Left angle
Straight angle
Revolution
What type of angle is shown in this rectangle?
Upside down left angle
Right angle
Straight angle
Reflex angle
Estimate the angle given in this star
25°
35°
45°
95°
This is a/an (a) angle.
What is the unit used to measure angles?
degrees
meters
kilograms
radians
How many degrees are there in a right angle?
90
180
45
360
What is the measure of a straight angle in degrees?
360
90
180
45
What is the measure of an obtuse angle?
An obtuse angle measures less than 90 degrees.
An obtuse angle measures more than 180 degrees.
An obtuse angle measures between 90 and 180 degrees.
An obtuse angle measures exactly 90 degrees.
What is the measure of a full angle?
360 degrees
90 degrees
180 degrees
45 degrees
exactly 180 degrees
straight angle
exactly 90 degrees
right angle
less than 90 degrees
acute angle
greater than 90 degrees, but less than 180 degrees
obtuse angle
greater than 180 degrees, but less than 360 degrees
reflex angle
Estimate the degree measure of this angle, using the protractor next to it as a reference.
5°
15°
55°
65°
What is the best estimate for the measure of this angle?
60°
10°
100°
160°
What is the best estimate for the measure of this angle?
90°
15°
120°
170°
What is the best estimate for the measure of this angle?
90°
15°
120°
170°
What is the best estimate for the measure of this angle?
90°
70°
120°
180°
Identify the acute angle in the following set of angles: 20°, 80°, 110°
100°
20°
90°
80°
