Grade 8 HMH Go Math - Answer Keys Answer keys Chapter 11:Angle Relationships in Parallel Lines and Triangles; Lesson 2:Angle Theorems for Triangles

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Grade 8 HMH Go Math - Answer Keys

Chapter 11:Angle Relationships in Parallel Lines and Triangles; Lesson 2:Angle Theorems for Triangles

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Question 15 (request help)
Analyze Relationships Can a triangle have two obtuse angles? Explain.

Question 16 (request help)
Critical Thinking Explain how you can use the Triangle Sum Theorem to find the measures of the angles of an equilateral triangle.
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Question 17 (request help)
a. Draw Conclusions Find the sum of the measures of the angles in quadrilateral ABCD. (Hint: Draw diagonal \(\overline{AC}\) . How can you use the figures you have formed to find the sum?)

Sum:

\(^°\)

Question 17 (request help)
b. Make a Conjecture Write a “Quadrilateral Sum Theorem.” Explain why you think it is true.
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Question 18 (request help)
Communicate Mathematical Ideas Describe two ways that an exterior angle of a triangle is related to one or more of the interior angles.
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