Finding Unknown Angle Measures
Presentation
•
Mathematics
•
4th - 5th Grade
•
Medium
Standards-aligned
Susan Nunn
Used 189+ times
FREE Resource
10 Slides • 15 Questions
1
Finding Unknown Angle Measurements
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3
What do we already know?
Angle ABC = 40
What else do we know?
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Solve for CBH
90 - 40 = ?
Where did 90 come from?
90 is the measure of ABH which is a right angle.
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Complementary Angles
are two angles that add up to 90°
Example from the picture to the right: 40° + 50° = 90°
More
Examples: 45° + 45° = 90°
Example: 82° + 8° = 90°
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Multiple Choice
Find the measure of DEG
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Fill in the Blanks
The measure of UST is
Type answer...
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Fill in the Blanks
The measure of CEG is
Type answer...
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Multiple Choice
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Multiple Choice
What is the measurement of angle a?
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Supplementary Angles
Two angles that add up to 180°
Examples: 120° + 60°= 180°
Example: 84° + 96°= 180°
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What is the measure of angle a if angle b measures 68 ?
Notice that a and b together equal a straight line.
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Multiple Choice
Find the measure of PQS
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Multiple Choice
Angle MNP and Angle PNO have a combined measure of 180
The measure of MNP is 87
What is the measure of PNO in degrees?
The measure of PNO is ____________ degrees.
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Multiple Choice
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Angles on a Straight Line Add Up to 180
What does angle b equal?
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Fill in the Blanks
The measure of angle XYZ equals
Type answer...
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Fill in the Blanks
The measurement of WYV is
Type answer...
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Fill in the Blanks
What is the measure of angle FGJ
if angle JGH measures 22 ?
Its measurement is
Type answer...
20
Fill in the Blanks
What is the meaure of angle EGF if angle FGH is a right angle?
The measurement of angle EGF is
Type answer...
21
Multiple Choice
What is the measure of angle KGH
if angle EGK measures 59 ?
The measurement of angle KGH is ______ degrees.
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Multiple Choice
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Fill in the Blanks
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Finding Unknown Angle Measurements
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