# Geometry/Chapter 2/Lesson 1

## Contents

## Introduction[edit]

You will be making sentences in geometry... here is your extra English practice for the day! Let's go over a few definitions in order to kick-start this chapter:

**Coniditional Statement**- A statement that has two parts, a**hypothesis**and a**conclusion**.

In an "if-then statement", the 'if' part contains the hypothesis and the 'then' part contains the conclusion.

### Conditional Statements[edit]

- If it is an angle, then it is 90°

Hypothesis: an angle

Conclusion: 90°

- If they are basketball players, then they are tall

Hypothesis: basketball players

Conclusion: they are tall

- If it is a quadrilateral, then it is a rectangle

Hypothesis: quadrilateral

Conclusion: it is a rectangle

### How to write Conditional Statements[edit]

We are going to learn how to write Conditional Statements--When reading a conditional statement, identify, first, the hypothesis. What is the first thing that is being said? In our 1st example, *If it is an angle, then it is 90°*, the first thing being said in this statement is "angle". This is how we identify that "angle" is the hypothesis in this statement.

Moving on to the conclusion. What is being told about the hypothesis? Here in *If it is an angle, then it is 90°*, an angle is being concluded as 90 degrees--thus, 90 degrees is our conclusion. This is how we identify as "90 degrees" as our conclusion.

#### Examples[edit]

Now, we will go through a few examples

- Hypothesis: soccer players
- Conclusion: fast
**If they are soccer players, then they are fast.**

- Hypothesis: Egyptians
- Conclusion: intelligent
**If they are Egyptians, then they are intelligent**

- Hypothesis: humans
- Conclusion: stupid
**If they are humans, then they are stupid**

- Hypothesis: Ramos
- Conclusion: athletic
**If that is Ramos, then it is athletic**