I gave this missing angles task to my Trigonometry students as part of our beginning of year algebra and geometry review.
I had students find the missing angles in this diagram that I found online. Here’s a link the original source.
Free Download of Missing Angles Task
Missing Angle Picture (PDF) (775 downloads)
Missing Angle Picture (Editable Publisher File ZIP) (393 downloads)
More Geometry Teaching Resources
- Right Triangle Trig Formula Sheet
- Pythagorean Theorem and Distance Formula Notes
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- Missing Angles Notes
- Classifying Triangles by Angles and Sides Notes
- Sankaku Puzzles
- Tricky Triangles Puzzle
- Triangular Turkey Puzzle
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- SOH CAH TOA Notes
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