Homework Explained - Math Practice 101

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Grade 7 McGraw Hill Glencoe - Answer Keys
Chapter 7: Geometric Figures; Lesson 1: Classify Angles

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  • Question 12 (request help)

    Angles ABC and DBE are vertical angles. If the measure of \(\angle ABC\) is 40°, what is the measure of \(\angle ABD\)?

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H.O.T. Problems Higher Order Thinking

  • Question 13 (request help)

    Model with Mathematics Draw examples of angles that represent real-world objects. Be sure to include at least three of the following angles: acute, right, obtuse, straight, vertical, and adjacent. Verify by measuring the angles.

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  • Question 14 (request help)

    Reason Inductively Explain how you can use a protractor to measure the angle shown. Find the measure of the angle.

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Persevere with Problems Determine whether each statement is true or false. If the statement is true, provide a diagram to support it. If the statement is false, explain why.

  • Question 15 (request help)

    A pair of obtuse angles can also be vertical angles.

  • Question 16 (request help)

    A pair of straight angles can also be adjacent angles.

  • Question 17 (request help)

    Which word best describes the angle marked in the figure?


    • A. acute
    • B. obtuse
    • C. right
    • D. straight

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