1.3 - Intro to Angles
Presentation
•
Mathematics
•
10th Grade
•
Medium
Standards-aligned
Keegan Kuhlman
Used 6+ times
FREE Resource
12 Slides • 10 Questions
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1.3 - Intro to Angles
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Angle Addition Postulate
Part + Part = Whole
If an angle is bisected, it is cut exactly into 2 equal halves
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Complementary Angles
Angles that add to be 90 degrees
Look for the square in the corner to tell you it is 90
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Supplementary Angles
Angles add to be 180 degrees
Form a straight line
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Vertical Angles
Angles across from each other are equal
<1 = <2 <3 = <4
Angles next to each other are supplementary
<1 + <3 = 180
<2 + <4 = 180
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Example 1
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Example 2
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Example 3
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Example 4
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Example 5
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Example 6
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Example
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Multiple Choice
If bisects and find .
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Multiple Choice
Solve
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Multiple Choice
Solve for x
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Multiple Choice
Solve for x
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Multiple Choice
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Multiple Choice
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Multiple Choice
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Multiple Choice
Solve for X
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Multiple Choice
2. FIND ∠SOR
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Multiple Choice
1. Find X
1.3 - Intro to Angles
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