Solve problems involving angle properties, including the properties of intersecting and parallel lines and of polygons
30 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest, every one with a full worked solution. Work through all 30 with your weekly-lesson access code.
Sample: the first question, solved
Find the sum of interior angles of a triangle, using (n−2)×180°.
📘 Worked solution
✓(3−2)×180 = 180 degrees.
And one from the hard end
A regular polygon has an exterior angle of 24°. How many sides does it have?
Solution shown after you try it in practice mode.
Work through all 30, easiest to hardest
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