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endpoint form an Angle. The point where the rays

intersect is called the vertex of the Angle. The two

rays are called the sides of the Angle.

Angle form by two rays

Angle form by two rays

vertex

side

side

Right Angles

Acute Angles

Obtuse Angles

Reflex Angle

Straight Angle

Adjacent angles

Complementary and

Supplementary Angles

Vertical Angles

Alternate Interior Angles

Alternate Exterior Angles

Corresponding Angles

Acute Angles

Obtuse Angles

Reflex Angle

Straight Angle

Adjacent angles

Complementary and

Supplementary Angles

Vertical Angles

Alternate Interior Angles

Alternate Exterior Angles

Corresponding Angles

Types of Angles |

What is an angle?

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Acute Angle: An angle whose measure is less than 90

degrees.

degrees.

Obtuse Angle: An angle whose measure is bigger than 90

degrees but less than 180 degrees.

degrees but less than 180 degrees.

Straight Angle: An angle whose measure is 180 degrees.

Right Angle: An angle whose measure is 90 degrees.

Reflex Angle: An angle whose measure is

bigger than 180 degrees but less than 360

degrees.

bigger than 180 degrees but less than 360

degrees.

Related links

More about angles

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