# Math Talk: Why Is That True?

Here are 2 circles with centers and
Based on the diagram, explain how you know each statement is true.

## 1. a.

The length of segment is equal to the length of segment .

## 1. b.

Triangle is equilateral.

Here are 2 circles with centers and
Based on the diagram, explain how you know each statement is true.

The length of segment is equal to the length of segment .

Triangle is equilateral.