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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 next ...

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: https://

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: https:// ...

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 the next lesson: https:// ...

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: https://

Acute right and obtuse angles | Angles and intersecting lines | Geometry | Khan Academy
Загружен 12 апреля 2011
We briefly discussed the types of angles in the last tutorial but we'll delve a little deeper into acute, obtuse, and right angles here. Practice this lesson yourself on right... ...

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 right now: https://

Recognizing angles | Geometry | 4th grade | Khan Academy
Загружен 12 сентября 2015
Let's do a few example exercises in which you recognize and identify the type of given angle. This is a lot of fun! Practice this lesson yourself on right now: ...

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 when two lines cross. Practice...

Using algebra to find measures of angles formed from transversal | Geometry | Khan Academy
Загружен 7 августа 2013
Practice this lesson yourself on right now: https://

Figuring out angles between transversal and parallel lines | Geometry | Khan Academy
Загружен 7 августа 2013
Practice this lesson yourself on right now: https://

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: https://

Reference Angle for an Angle, Ex 1 (Using Degrees)
Загружен 15 ноября 2010
Reference Angle for an Angle, Ex 1 (Using Degrees). In this video, I find the reference angle for a few angles that are measured in degrees.

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

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 on right... ...

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