Math Practice 101
Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys


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  • Question 14 (request help)

    Triangle RST is dilated so that the image of point T is T'(6, 6). Draw triangle R'S'T'.

    What is the scale factor of the dilation? Does the dilation represent an enlargement or a reduction? Explain how you found your answer.
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  • Question 15 (request help)

    Squares A and B are related by a dilation. Determine if each statement is true or false.

    a. The scale factor from figure A to figure B is \(\cfrac{3}{5}\).

    b. The scale factor from figure B to figure A is \(\cfrac{5}{3}\).

    c. The dilation from figure A to figure B is an enlargement.
  • a.    
    b.    
    c.    

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  • Question 16 (request help)

    A model airplane is built with a wing span of 18 inches. The actual wing span of the airplane is 90 feet. Find the scale.
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Find the scale factor for each scale.

  • Question 20 (request help)

    On a map of Kansas, the scale is 1 in. = 50 miles. Using the scale, complete the table showing the distance between cities.
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