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6.2 Triangle Angle Sum

6.2 Triangle Angle Sum

Assessment

Presentation

Mathematics

8th - 11th Grade

Practice Problem

Medium

CCSS
8.G.A.5, HSG.CO.C.10

Standards-aligned

Created by

Padgett Linman

Used 95+ times

FREE Resource

5 Slides • 16 Questions

1

6.2 Triangle Angle Sum

Be sure to copy down notes as we go!

Asegúrese de copiar notas a medida que avanzamos

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2

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3

Multiple Choice

The Triangle Sum Theorem states that the sum of all measures of the angles in a triangle is ______.

El teorema de la suma del triángulo establece que la suma de todas las medidas de los ángulos de un triángulo es ______.

1

45°

2

90°

3

180°

4

360°

4

Multiple Choice

Question image

Find the measure of the indicated angle.


Encuentra la medida del ángulo indicado.

1

20°

2

80°

3

40°

4

65°

5

Multiple Choice

Question image

Find the measure of the indicated angle.


Encuentra la medida del ángulo indicado.

1

90°

2

80°

3

32°

4

68°

6

Find the value of x.

Encuentra el valor de x.


  • Set up an equation.

  • On one side add all three angles in the triangle together.

  • On the other side of the equation, put 180.

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7

Multiple Choice

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What would the equation look like to solve for x?


¿Cómo se vería la ecuación para resolver x?

1

50+82=56+x50+82=56+x

2

50+82+56+x=18050+82+56+x=180

8

Multiple Choice

Question image

Using the equation, solve for x. 


Usando la ecuación, resuelve para x.

1

 x=11x=-11 

2

 x=6x=-6 

3

 x=8x=-8  

4

 x=12x=-12  

9

Multiple Choice

Question image

What would the equation look like to solve for x?



¿Cómo se vería la ecuación para resolver x?

1

 51+63+6x=18051+63+6x=180 

2

 51+63=6x51+63=6x 

3

 51+63+180=6x51+63+180=6x  

10

Multiple Choice

Question image

Using the equation, solve for x.



 Usando la ecuación, resuelve para x.

1

 x=11x=11 

2

 x=8x=8 

3

 x=6x=-6  

4

 x=8x=-8  

11

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12

Multiple Choice

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 m1=m\angle1=  ____________ is the Exterior Angle Theorem. 

1

 90°90\degree  

2

 180°180\degree  

3

 m2m3m\angle2-m\angle3  

4

 m2+m3m\angle2+m\angle3  

13

Find the measure of the indicated angle.

  • Set up an equation.

  • On one side add the two non-adjacent interior angles together.

  • On the other side of the equation, put the measure of the exterior angle.

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14

Multiple Choice

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What would the equation look like to solve for x?


¿Cómo se vería la ecuación para resolver x?

1

?+58=110?+58=110

2

? + 58 + 110 = 180?\ +\ 58\ +\ 110\ =\ 180

3

?+110 = 58?+110\ =\ 58

4

?=58+110?=58+110

15

Multiple Choice

Question image

Find the measure of the indicated angle. 


Encuentra la medida del ángulo indicado.

1

 59°59\degree 

2

 45°45\degree 

3

 70°70\degree 

4

 52°52\degree 

16

Multiple Choice

Question image

What would the equation look like to solve for x?


¿Cómo se vería la ecuación para resolver x?

1

 ?+63=113?+63=113 

2

 ? + 63 + 113 = 180?\ +\ 63\ +\ 113\ =\ 180 

3

 ?+113 = 63?+113\ =\ 63 

4

 ?=63+113?=63+113 

17

Multiple Choice

Question image

Find the measure of the indicated angle. 



Encuentra la medida del ángulo indicado.

1

 53°53\degree 

2

 52°52\degree 

3

 50°50\degree 

4

 67°67\degree 

18

Multiple Choice

Question image

What would the equation look like to solve for x?


¿Cómo se vería la ecuación para resolver x?

1

 14x1+88=5x+114x-1+88=5x+1 

2

 14x1=88+5x+114x-1=88+5x+1 

19

Multiple Choice

Question image

Solve for x.


Solución para x. 

1

 x=11x=11 

2

 x=10x=10 

3

 x=7x=7  

4

 x=6x=6  

20

Multiple Choice

Question image

What would the equation look like to solve for x?


¿Cómo se vería la ecuación para resolver x?

1

 13x10=7x+5013x-10=7x+50 

2

 13x10+50=7x13x-10+50=7x 

3

 13x10+(7x)+(50)=18013x-10+\left(7x\right)+\left(50\right)=180  

21

Multiple Choice

Question image

Solve for x. 



Solución para x.

1

 x=4x=4 

2

 x=8x=8 

3

 x=5x=5  

4

 x=10x=10  

6.2 Triangle Angle Sum

Be sure to copy down notes as we go!

Asegúrese de copiar notas a medida que avanzamos

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