Explain how protractors work, use them to measure and construct angles up to 180°, and use benchmark angles to estimate the size of other angles
10 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest — every one with a full worked solution. Work through them free, no account needed.
Sample: the first question, solved
What does a protractor measure?
📘 Worked solution
✓Angles, in degrees.
And one from the hard end
Classify a 180° angle.
Solution shown after you try it in practice mode.
Work through all 10, easiest to hardest
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