Angles

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Angles
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The two rays are called the sides of the angle.
The common endpoint of the two rays is called the
vertex of the angle
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L ABC
A
Angle (ABC)
B
C
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This angle measures 90 degrees. It is a right
angle.
You use a protractor to measure angles.
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Label the following angles as right, acute, or
obtuse.
Obtuse
Acute
Right
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Can you find angles in these pictures?
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Well Done!