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Free PowerPoint Presentations about Angles for Kids & Teachers ...

math.pppst.com/angles.html

... with a Protractor Angles and their measure Classifying and Measuring Angles Measuring Angles Angle Measurement Got the angle? Finding the missing angle in a triangle Fun with Angles and Polygons Angles and Triangles Angles Powerpoints ... more pages

Making a right angle the Maya way | plus.maths.org

plus.maths.org/content/making-right-angle-maya-way

... ray from knot 1 through knot 7, the resulting angle is a right (60° + 30°) angle. The an-imation below (created by John C. D. Diamantopoulos) illustrates how the right angle is formed. John C. D. Diamantopoulos also created the following ... more pages

Angles - Acute, Obtuse, Straight and Right

www.mathsisfun.com/angles.html

... the Name Changes: Type of Angle Description Acute Angle an angle that is less than 90° Right Angle an angle that is 90° exactly Obtuse Angle an angle that is greater than 90° but less than 180° Straight Angle an angle that is 180° ... more pages

Right Angles

www.mathsisfun.com/rightangle.html

... symbol like a box in the angle. If we see this, it is a right angle. The 90° is rarely written in. If we see the box in the corner, we are being told it is a right angle. All the angles below are right angles: A right angle can be in any ... more pages

Geometry: Angle Help

www.tulyn.com/geometry/angle

... And it is not always easy to find angle tutor who is both good and affordable. Now finding angle help is easy. For your angle homework, angle tests, angle projects, and angle tuto-ring needs, TuLyn is a one-stop solution. You can master ... more pages

Acute Angles

www.mathsisfun.com/acute.html

... Which Angle? Remember to look carefully at which angle you are being asked to name: The acute angle is the small angle which is less than 90°. If you choose the larger angle you will have a Reflex Angle instead:   The smaller angle is an ... more pages

Reflex Angles

www.mathsisfun.com/reflex.html

... angle you might have an Acute Angle , or an Obtuse Angle instead: The larger angle is a Reflex Angle , but the smaller angle is an Acute Angle The larger angle is a Reflex Angle , but the smaller angle is an Obtuse Angle     Types of ... more pages

Obtuse Angle Examples

www.mathsisfun.com/obtuse.html

... less than 180°. The smaller angle is an Obtuse Angle , but the larger angle is a Reflex Angle If you choose the larger angle you would have a Reflex Angle instead:     Types of Angles Acute Angles Right Angles Straight Angle Reflex ... more pages

... homework, tests and projects. And it is not always easy to find angle tutor who is both good and affordable. Now finding angle help is easy. For your angle homework, angle tests, angle projects, and angle tutoring needs, TuLyn is a ... more pages

Angles on a Straight Line Add to 180

www.mathsisfun.com/angle180.html

... . If a line is split into 2 and you know one angle you can always find the other one. 30° + 150° = 180°   Example: If we know one angle is 45° what is angle "a" ? Angle a is 180° − 45° = 135°   This method can be used for ... more pages

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