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Measuring angles in degrees Angles and intersecting lines Geometry Khan Academy

   
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Measuring angles in degrees | Angles and intersecting lines | Geometry | Khan Academy
Загружен 21 сентября 2011
Let's come up with an exact way to measure an angle using a protractor. We'll also learn about acute angles. Not to be confused with augly angles :) Watch the ... ...

Angle basics | Angles and intersecting lines | Geometry | Khan Academy
Загружен 21 сентября 2011
The naming of an angle is related to the line segments that create it. We'll also learn about the angle's vertex. Come on. Let's do this. Watch the next lesson: ... ...

Measuring angles using a protractor | Angles and intersecting lines | Geometry | Khan Academy
Загружен 21 сентября 2011
Let's use our virtual protractor to measure some angles together, shall we? Watch the next lesson: ...

The angle game | Angles and intersecting lines | Geometry | Khan Academy
Загружен 11 ноября 2007
Using what we know to solve for angles in the Angle Game. Watch the next lesson: ...

Find measure of vertical angles | Angles and intersecting lines | Geometry | Khan Academy
Загружен 7 августа 2013
Now that we've learned about complementary and supplementary angles, let's use algebra to find the measure of vertical angles, or angles opposite each other ...

Find measure of complementary angles | Angles and intersecting lines | Geometry | Khan Academy
Загружен 7 августа 2013
In this example, let's put some Algebra to work to find the measure of two angles whose sum equals 90 degrees, better knows as complementary angles. Watch ...

Angle measurement and circle arcs | Angles and intersecting lines | Geometry | Khan Academy
Загружен 17 июля 2015
Did you know that the measurement of an angle is related to the arc of a circle? Yes, indeed! Watch. Watch the next lesson: ...

Find measure of supplementary angles | Angles and intersecting lines | Geometry | Khan Academy
Загружен 7 августа 2013
Watch and understand how to find the measure of two angles whose sum is 180 degrees, or supplementary angles. Practice this lesson yourself on ...

Find measure of vertical angles | Geometry | 7th grade | Khan Academy
Загружен 12 сентября 2015
Given two intersecting lines and the measure of vertical angles, watch as we solve to find the measure of the remaining angles. Practice this lesson yourself on ...

Showing angles have same measure | Angles and intersecting lines | Geometry | Khan Academy
Загружен 7 марта 2015
Watch the next lesson: ...

More angle measurements using a protractor | Angles and intersecting lines | Geometry | Khan Academy
Загружен 23 августа 2011
We're practicing measuring angles using the virtual protractor. Do this a few times with us and you'll use a real protractor like a pro! Practice this lesson yourself ...

Math Antics - Angle Basics
Загружен 10 сентября 2013
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Angles (part 2) | Angles and intersecting lines | Geometry | Khan Academy
Загружен 10 ноября 2007
More on complementary and supplementary angles. Introduction to opposite angles. Watch the next lesson: ...

Complementary and supplementary angles | Angles and intersecting lines | Geometry | Khan Academy
Загружен 21 сентября 2011
Let's add some tools to our geometry tool belt. Here's a thorough explanation of complementary and supplementary angles, as well as definitions of adjacent ...

Introduction to angles (old) | Angles and intersecting lines | Geometry | Khan Academy
Загружен 10 ноября 2007
What an angle is. Angles in a circle. Complementary and supplementary angles. Watch the next lesson: ...

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