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Grade 8 HMH Go Math  Answer Keys
Chapter 11:Angle Relationships in Parallel Lines and Triangles; Mixed Review
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Selected Response
Use the figure for Exercises 1 and 2.


Question 1
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Which angle pair is a pair of alternate exterior angles?






Question 2
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Which of the following angles is not congruent to \(\angle\)3?






Question 3
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The measures, in degrees, of the three angles of a triangle are given by 2x + 1, 3x  3, and 9x. What is the measure of the smallest angle?






Question 4
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Which is a possible measure of \(\angle DCA\) in the triangle below?






Question 5
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Kaylee wrote in her dinosaur report that the Jurassic period was \(1.75 \times 10^8\) years ago. What is this number written in standard form?






Question 6
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Given that y is proportional to x, what linear equation can you write if y is 16 when x is 20?





MiniTask 

Question 7
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Two transversals intersect two parallel lines as shown.
a. What is the value of x?





Question 7
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d. Which two triangles are similar? How do you know?
Type below:
