Starter quiz
- A ______ is a flat (2D), closed figure made up of straight line segments.
- 'polygon' ✓
- What is the size of ∠BCD?
- 73° ✓
- 84°
- 95°
- 108°
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- A hendecagon has 11 sides. The minimum number of triangles that it could be split into is ______.
- '9' ✓
- A hexadecagon has 16 sides. Which calculation would find the sum of its interior angles?
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- Angles around a point sum to ______°.
- '360' ✓
- Evaluate the expression when .
- '60' ✓
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