Have You Got The Angle?

Created by Dave PlummerVogel Intermediate School CISD for the Texas Center for Academic ExcellenceTek 6.6A Obj.3

What is An Angle?

When two lines meet or cross, they form an Angle.

Check out These Angles

The Three Types of Angles

The Right Angle The Acute AngleThe Obtuse Angle

What is this Angle?

Click on the correct answer below

1. A Right Angle

3. An Obtuse Angle

2. An Acute Angle

You’re Right!!!

Let me help you?

A right angle

What is this Angle?

Click on the correct answer below

1. A Right Angle

2. An Acute Angle

3. An Obtuse Angle

2. An Acute Angle

You’re Right!!!

Look at this one again

What is this Angle?

Click on the correct answer below

1. A Right Angle

3. An Obtuse Angle

2. An Acute Angle

You’re Right!!!

Let me help you?

A right angle

Let’s Measure Some Angles

To measure angles, we use a Protractor

A Right Angle is 90°

An Acute Angle is less than 90°

Here are more acute angles- both less than 90 degrees.

An Obtuse Angle is more than 90°

Here are more obtuse angles- both more than 90 degrees.

Angles Can Face Different Directions

This is a rightAngle

Here’s another

And another

And one more

What are each of these? Acute, or Obtuse angles?

A

DC

B

What are these?

A

DC

B

Obtuse

Obtuse

Acute

Acute

You’ve Got the Angle!!!

Texas Center for Academic Excellence © 2001

Contact the Texas Center for Academic Excellence at txcae@shsu.edu or visit our website at http://www.shsu.edu/~txcae

Linda Creighton - Director