Sum of the Angle Measures of a Triangle Angle Pairs Lesson 40Power Up GPage 285.
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Sum of the Angle Measures of a Triangle Angle Pairs Lesson 40 Power Up G Page 285
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Triangles A B C 40°
Transcript of Sum of the Angle Measures of a Triangle Angle Pairs Lesson 40Power Up GPage 285.
![Page 1: Sum of the Angle Measures of a Triangle Angle Pairs Lesson 40Power Up GPage 285.](https://reader037.fdocuments.in/reader037/viewer/2022083119/5a4d1adc7f8b9ab05997501e/html5/thumbnails/1.jpg)
Sum of the Angle Measures of a Triangle
Angle PairsLesson 40 Power Up G Page 285
![Page 2: Sum of the Angle Measures of a Triangle Angle Pairs Lesson 40Power Up GPage 285.](https://reader037.fdocuments.in/reader037/viewer/2022083119/5a4d1adc7f8b9ab05997501e/html5/thumbnails/2.jpg)
Triangles› All 3 angles added together = 180°
A
BC45°
45°
X
Z Y60°
60°
60°
![Page 3: Sum of the Angle Measures of a Triangle Angle Pairs Lesson 40Power Up GPage 285.](https://reader037.fdocuments.in/reader037/viewer/2022083119/5a4d1adc7f8b9ab05997501e/html5/thumbnails/3.jpg)
Triangles› What is the m?
A
BC40°
![Page 4: Sum of the Angle Measures of a Triangle Angle Pairs Lesson 40Power Up GPage 285.](https://reader037.fdocuments.in/reader037/viewer/2022083119/5a4d1adc7f8b9ab05997501e/html5/thumbnails/4.jpg)
Triangles› What is the m?
A
BC
95°
40°
![Page 5: Sum of the Angle Measures of a Triangle Angle Pairs Lesson 40Power Up GPage 285.](https://reader037.fdocuments.in/reader037/viewer/2022083119/5a4d1adc7f8b9ab05997501e/html5/thumbnails/5.jpg)
Angle Pairs› Adjacent Angles: Share a common side› Complementary Angles: Two angles whose sum
is 90°› Supplementary Angles: Two angles whose sum is
180°› Vertical Angles: A pair of nonadjacent angles
formed by a pair of intersecting lines.1
23
4
![Page 6: Sum of the Angle Measures of a Triangle Angle Pairs Lesson 40Power Up GPage 285.](https://reader037.fdocuments.in/reader037/viewer/2022083119/5a4d1adc7f8b9ab05997501e/html5/thumbnails/6.jpg)
Example› Find the measure of each angle:a. b. c. d.
A
BCD
E
125°
25°
![Page 7: Sum of the Angle Measures of a Triangle Angle Pairs Lesson 40Power Up GPage 285.](https://reader037.fdocuments.in/reader037/viewer/2022083119/5a4d1adc7f8b9ab05997501e/html5/thumbnails/7.jpg)
Practice Problems› a-e