This math topic focuses on the skill of measuring angles with a protractor, specifically those that are under 90 degrees and "floating" or non-anchored. It pertains to a broader category of issues related to Geometry, under an introductory unit on Angles and Transformations. Each problem presents an angle within a diagram, and students are likely asked to measure these angles accurately using a protractor, selecting or detailing the correct measurement from a set of choices provided. This forms a basic yet essential skill in understanding and applying geometric concepts.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Measure Angle With Protractor - Under 90 Degrees (Floating) Worksheet

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Measure Angle With Protractor - Under 90 Degrees (Floating)
1
Measure the angle using the protractor
An svg image showing a math problem
a
145º
b
170º
c
70º
d
90º
e
235º
f
35º
2
Measure the angle using the protractor
An svg image showing a math problem
a
120º
b
20º
c
60º
d
155º
e
140º
f
55º
3
Measure the angle using the protractor
An svg image showing a math problem
a
165º
b
180º
c
105º
d
10º
e
115º
f
150º
4
Measure the angle using the protractor
An svg image showing a math problem
a
205º
b
25º
c
90º
d
140º
e
65º
f
240º
5
Measure the angle using the protractor
An svg image showing a math problem
a
130º
b
155º
c
145º
d
40º
e
65º
f
70º
6
Measure the angle using the protractor
An svg image showing a math problem
a
155º
b
185º
c
50º
d
205º
e
220º
f
85º
7
Measure the angle using the protractor
An svg image showing a math problem
a
135º
b
35º
c
100º
d
205º
e
80º
f
170º
8
Measure the angle using the protractor
An svg image showing a math problem
a
145º
b
25º
c
60º
d
135º
e
130º
f
115º