Math Practice 101
Homework Explained - Math Practice 101

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Grade 8 HMH Go Math - Answer Keys
Chapter 11:Angle Relationships in Parallel Lines and Triangles; Lesson 3:Angle-Angle Similarity


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Guided Practice

  • Question 1 (request help)

    Explain whether the triangles are similar. Label the angle measures in the figure. 

    \(\triangle ABC\) has angle measures _______and \(\triangle DEF\) has angle measures______. Because _______in one triangle are congruent to ______in the other triangle, the triangles are_____.
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  • Question 2 (request help)

    A flagpole casts a shadow 23.5 feet long. At the same time of day, Mrs. Gilbert, who is 5.5 feet tall, casts a shadow that is 7.5 feet long. How tall in feet is the flagpole? Round your answer to the nearest tenth.
  •    ft
  • Question 3 (request help)

    Two transversals intersect two parallel lines as shown. Explain whether \(\triangle ABC\) and \(\triangle DEC\) are similar.

    \(\angle BAC\) and\(\angle EDC\) are ___________ since they are ___________.

    \(\angle ABC\) and\(\angle DEC\) are ___________ since they are ___________.

    By ________, \(\triangle ABC\) and\(\triangle DEC\) are ___________.
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ESSENTIAL QUESTION CHECK-IN

  • Question 4 (request help)

    How can you determine when two triangles are similar?
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