Geometry Unit 4 Lesson 2 Angles of Triangles Lesson

​Geometry Unit 4 Lesson 2

Angles in Triangles

Triangle Sum/Exterior Angles

​Objective: I can understand and use the triangle sum/exterior angles theorems to find angle measures and side lengths of triangles with at least 76% accuracy.

Match

Match the following

<1 = 30

<2 = 41

<3= 96

<1 = 47

<2 = 137

<3 = 31

<1 = 51

<2 = 61

<3 = 29

<1 = 87

<2 = 45

<3 = 45

<1 = 64

<2 = 26

<3 = 36

• <1 = 30

  <2 = 41

  <3= 96

• <1 = 47

  <2 = 137

  <3 = 31

• <1 = 51

  <2 = 61

  <3 = 29

• <1 = 87

  <2 = 45

  <3 = 45

• <1 = 64

  <2 = 26

  <3 = 36

Draw

Please give the angle measure for each blank provided.

Draw

Give the angle measure for each blank provided.

Draw

Give the angle measure in each blank provided.

Drag and Drop

Solve for x. Then find each angle measure.

x = ​

Placeholder

​ <D = ​

Placeholder

<E = ​

Placeholder

<F = ​

Placeholder

Drag these tiles and drop them in the correct blank above

8

38

75

67

Drag and Drop

Solve for x. Then find each angle measure.

x = ​

Placeholder

<P = ​

Placeholder

<Q = ​

Placeholder

<R = ​

Placeholder

Drag these tiles and drop them in the correct blank above

13

126

30

24

Drag and Drop

Solve for x. Then find each angle measure.

x = ​

Placeholder

<CAB = ​

Placeholder

<ABC = ​

Placeholder

<ACB = ​

Placeholder

<DCB = ​

Placeholder

Drag these tiles and drop them in the correct blank above

5

54

21

105

75

17

87

58

35

Drag and Drop

Solve for x. Then find each angle measure.

x = ​

Placeholder

<JKL = ​

Placeholder

<KJL = ​

Placeholder

<KLJ = ​

Placeholder

<KLM = ​

Placeholder

Drag these tiles and drop them in the correct blank above

17

87

58

35

145

105

47

38