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5.3 - Triangles

5.3 - Triangles

Assessment

Presentation

Mathematics

8th Grade

Practice Problem

Medium

CCSS
8.G.A.5, 7.G.B.5

Standards-aligned

Created by

Justin Nihart

Used 19+ times

FREE Resource

12 Slides • 11 Questions

1

5.3 - Triangles

2

Multiple Choice

Question image

How can you classify angles 2 and 8?

1

Alternate Exterior

2

Alternate Interior

3

Corresponding Angles

4

Vertical Angles

3

Multiple Choice

Question image

How could you classify angles 1 and 5?

1

Corresponding Angles

2

Alternate Exterior

3

Alternate Interior

4

Linear Pair

4

Multiple Choice

Question image

How could you classify angles 3 and 4?

1

Linear Pair

2

Vertical Angles

3

Alternate Interior

4

Alternate Exterior

5

Multiple Choice

Question image

How could you classify angles 4 and 6?

1

Alternate Interior

2

Alternate Exterior

3

Corresponding Angles

4

Linear Pair

6

Fill in the Blanks

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Type answer...

7

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  • "Interior" angles that are on the side of a triangle​

  • ​x + y + z = 180

  • It is the same for every triangle that you have!​

p. 390 in book​

Interior Angles of Triangles

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8

Displayed is the Antigua​ and Barbuda national flag. Write an equation to find the measure of the missing angle x.

​How many degrees is in a triangle? What does the box mean?

Let's Try It!

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9

Let's Try It!

Equation:

How do you read the symbols/notation?​

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10

Fill in the Blanks

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Type answer...

11

Fill in the Blanks

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Type answer...

12

Fill in the Blanks

Type answer...

13

How to solve?

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14

Let's Try!

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15

What are your questions so far?​

The sum of the interior angles of any triangle = 180 degrees!​

16

Some text here about the topic of discussion.

Exterior Angles of Triangles

  • ​Interior Angles?

  • Exterior Angles?

  • Adjacent Angles

  • Remote Interior/Opposites​

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17

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​What can you tell me about the sum of angles 1, 2, and 3?

What can you tell me about the angles 3 and 4?​

18

Finding an Exterior Angle​

What is the value of x?

Some text here about the topic of discussion

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19

Multiple Choice

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What is the value of the exterior x\angle x  ?

1

161

2

19

3

180

4

81

20

Fill in the Blanks

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Type answer...

21

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22

Multiple Choice

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Suppose the m5 = 147°m\angle5\ =\ 147\degree  , what is m1m\angle1  ?

1

57°57\degree  

2

90°90\degree  

3

47°47\degree  

4

27°27\degree  

23

What are your questions about today?​

5.3 - Triangles

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