Math Practice 101
Homework Explained - Math Practice 101

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Grade 7 McGraw Hill Glencoe - Answer Keys
Chapter 7: Geometric Figures; Lesson 2: Complementary and Supplementary Angles


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Extra Practice

Identify each pair of angles as complementary, supplementary, or neither.

  • Question 18 (request help)

    \(\angle J\) and\(\angle K\) are supplementary. The measure of\(\angle J\) is (9x)° and the measure of\(\angle K\) is 45°. What is the value of x?
  • \(x=\)    
  • Question 19 (request help)

    \(\angle C\) and\(\angle D\) are complementary. The measure of\(\angle C\) is (4x)° and the measure of\(\angle D\) is 26°. What is the value of x?
  • \(x=\)    

Identify Structure Determine whether each statement is always, sometimes, or never true. Explain your reasoning.

  • Question 22 (request help)

    Multiple Representations Line a passes through (1, 4) and (-4, -1). Line b passes through (-3, 4) and (2, -1).


    a. Graphs Graph each line on the same coordinate plane.
  • Type below:
  • Question 22 (request help)

    c. Numbers What is the slope of each line?
  • Type below:

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