

6.2 Triangle Angle Sum
Presentation
•
Mathematics
•
8th - 11th Grade
•
Practice Problem
•
Medium
Standards-aligned
Padgett Linman
Used 107+ 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

2
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 ______.
45°
90°
180°
360°
4
Multiple Choice
Find the measure of the indicated angle.
Encuentra la medida del ángulo indicado.
20°
80°
40°
65°
5
Multiple Choice
Find the measure of the indicated angle.
Encuentra la medida del ángulo indicado.
90°
80°
32°
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.
7
Multiple Choice
What would the equation look like to solve for x?
¿Cómo se vería la ecuación para resolver x?
50+82=56+x
50+82+56+x=180
8
Multiple Choice
Using the equation, solve for x.
Usando la ecuación, resuelve para x.
x=−11
x=−6
x=−8
x=−12
9
Multiple Choice
What would the equation look like to solve for x?
¿Cómo se vería la ecuación para resolver x?
51+63+6x=180
51+63=6x
51+63+180=6x
10
Multiple Choice
Using the equation, solve for x.
Usando la ecuación, resuelve para x.
x=11
x=8
x=−6
x=−8
11
12
Multiple Choice
m∠1= ____________ is the Exterior Angle Theorem.
90°
180°
m∠2−m∠3
m∠2+m∠3
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.
14
Multiple Choice
What would the equation look like to solve for x?
¿Cómo se vería la ecuación para resolver x?
?+58=110
? + 58 + 110 = 180
?+110 = 58
?=58+110
15
Multiple Choice
Find the measure of the indicated angle.
Encuentra la medida del ángulo indicado.
59°
45°
70°
52°
16
Multiple Choice
What would the equation look like to solve for x?
¿Cómo se vería la ecuación para resolver x?
?+63=113
? + 63 + 113 = 180
?+113 = 63
?=63+113
17
Multiple Choice
Find the measure of the indicated angle.
Encuentra la medida del ángulo indicado.
53°
52°
50°
67°
18
Multiple Choice
What would the equation look like to solve for x?
¿Cómo se vería la ecuación para resolver x?
14x−1+88=5x+1
14x−1=88+5x+1
19
Multiple Choice
Solve for x.
Solución para x.
x=11
x=10
x=7
x=6
20
Multiple Choice
What would the equation look like to solve for x?
¿Cómo se vería la ecuación para resolver x?
13x−10=7x+50
13x−10+50=7x
13x−10+(7x)+(50)=180
21
Multiple Choice
Solve for x.
Solución para x.
x=4
x=8
x=5
x=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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