# Fourth Series: Study of Figures

## 13 terms

### curved figure

A ____________ is a closed figure made with a curved lined.

### polygon

A _____________ is a closed figure made of three or more broken straight line segments.

### triangle

A _____________ is a polygon that has three sides.

A _____________ is a polygon that has four sides.

### pentagon

A _____________ is a polygon that has five sides.

### hexagon

A _____________ is a polygon that has six sides.

### heptagon

A ____________ is a polygon that has seven sides.

### octagon

An _______________ is a polygon that has eight sides.

### nonagon

A _____________ is a polygon that has nine sides.

### decagon

A _____________ is a polygon that has ten sides.

### circle

A _____________ is a simple closed curve. Every point on a circle is equally distant from the center/centre.

### ellipse

An ____________ is a simple closed curve. Both ends have the same shape.

### oval

An ____________is a simple closed curve that is shaped like an egg.