# Angles and Polygons

## Angles and Polygons

This feature invites students to explore polygons and their angles. There are some interesting results to discover and prove, and opportunities to practise using ruler, compasses and protractor along the way.

### An Equilateral Triangular Problem

##### Stage: 3 Challenge Level:

Take an equilateral triangle and cut it into smaller pieces. What can you do with them?

### Polygon Pictures

##### Stage: 3 Challenge Level:

Can you work out how these polygon pictures were drawn, and use that to figure out their angles?

### Star Polygons

##### Stage: 3 Challenge Level:

Draw some stars and measure the angles at their points. Can you find and prove a result about their sum?

### Angles in Three Squares

##### Stage: 3 and 4 Challenge Level:

Drawing the right diagram can help you to prove a result about the angles in a line of squares.

### Angles, Polygons and Geometrical Proof Stage 3 - Short Problems

##### Stage: 3

A collection of short problems on Angles, Polygons and Geometrical Proof.