# Central Angle Theorem: Exploration, part 1

- Author:
- Mark Brouwer

## Discovering Ratios

A ratio can be expressed with a colon, like this 7 : 5
or with a fraction like this:
or as a decimal like this: 1.4

## 1. Which Ratio?

Select the decimal approximation below that best represents the ratio 13 : 26

## 2. Which fraction?

Select the simplified fraction below that best represents the following ratio 18 : 15