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iGCSE (2021 Edition)

7.06 Angles of polygons

Interactive practice questions

Luke claims to have drawn a regular polygon with each interior angle equal to $120^\circ$120°.

a

Find $n$n, the number of sides of such a polygon.

b
What is the shape of this polygon?

Octagon

A

Pentagon

B

Heptagon

C

This shape cannot exist

D

Hexagon

E

Nonagon

F
Medium
1min

Bill claims to have drawn a regular polygon with each exterior angle equal to $50^\circ$50°.

Medium
1min

Neil claims to have drawn a regular polygon with each exterior angle equal to $45^\circ$45°.

Medium
< 1min

What is the sum of exterior angles for any polygon?

Easy
< 1min
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Outcomes

0607C5.1

Use and interpret the geometrical terms: acute, obtuse, right angle, reflex, parallel, perpendicular, congruent, similar. Use and interpret vocabulary of triangles, quadrilaterals, polygons and simple solid figures.

0607C5.4E

Angle sum of a polygon. Interior and exterior angles of a polygon. Angles of regular polygons.

0607E5.1

Use and interpret the geometrical terms: acute, obtuse, right angle, reflex, parallel, perpendicular, congruent, similar. Use and interpret vocabulary of triangles, quadrilaterals, polygons and simple solid figures.

0607E5.4E

Angle sum of a polygon. Interior and exterior angles of a polygon. Angles of regular polygons.

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