Polygons (Edexcel GCSE Maths): Quizzes

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Polygons
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12 questions from this quiz

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What is a polygon?

A shape with straight sides forming a closed figure

What is true about a regular polygon?

All sides equal, all angles equal

What is true about an irregular polygon?

Sides and angles can differ

How many sides does a pentagon have?

5 sides

Which shape has 8 sides?

Octagon

How many sides does a decagon have?

10 sides

What is the sum of exterior angles in any polygon?

360°360°

What is the formula for the sum of interior angles in an nn-sided polygon?

(n2)×180°(n-2) \times 180°

For a regular polygon with nn sides, what is each exterior angle?

360°n\frac{360°}{n}

What do interior and exterior angles at each vertex sum to?

180°180°

A regular polygon has interior angle 165°165°. How many sides does it have?

24 sides

Why does the interior angle formula have (n2)(n-2) in it?

It's the number of triangles formed

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