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Scale Figures

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  • What is the scale factor from polygon ABCD to polygon PQRS?
    1.5
  • If C is the original figure, what scale factor was used to create the copy, figure D?
    13
  • What is the scale factor? (The original figure is the larger triangle.)
    1/6
  • 16 × ______ = 4
    1/4 or 0.25
  • If a scaled copy is larger than the original figure, is the scale factor greater than 1, equal to 1, or less than 1?
    greater than 1
  • What is the scale factor? (The original figure is the smaller triangle.)
    1.5 or 1 1/2
  • What do we call the number used to multiply a side length to get the corresponding side in a scaled copy?
    scale factor
  • If each 2 cm on the scale drawing below equals 8 feet, what is the actual length of the red line?
    24 feet
  • Use the scale factor to find the length of segment GE.
    35 cm
  • What is the scale factor from rectangle OPQR to KLMN?
    2
  • Justin has two rectangular photo prints that are scaled copies. The length of the smaller print is 5 inches and the width is 3 inches. The length of the larger print is 15 inches. What is the width of the larger print in inches?
    9
  • Thomas is trying to reproduce a scale drawing where every 2 cm will be equal to 5 feet. How long should Thomas make the green line, in feet?
    25 feet
  • 30 × ______ = 6
    1/5 or 0.2
  • If the square below is enlarged by a scale factor of 2, what will be the area of the new square?
    196 square units
  • If a scaled copy is smaller than the original figure, is the scale factor greater than 1, equal to 1, or less than 1?
    less than 1
  • Triangle OGD is a scaled copy of Triangle CAT. What scale factor was used to create Triangle OGD?
    1/4 or 0.25
  • If B is the original figure, what scale factor was used to create figure A?
    1/3
  • Triangle ABC and triangle DFE are scaled copies. What is the value of y?
    27
  • If A is the original figure, what scale factor was used to create the copy, figure B?
    10
  • What is the scale factor? (The original figure is the smaller triangle.)
    6
  • Fill in measurements so that the large robot is a scaled copy of the small robot.
    antenna = 6, width = 24
  • True or False: A scaled copy cannot be the same size as the original figure.
    False
  • If the triangle below is enlarged by a scale factor of 2, what will be the perimeter of the new triangle?
    21 units
  • Find the missing length of each side marked with ? in Polygon B.
    5 and 3
  • Lela is trying to reproduce a scale drawing where every 4 cm will be equal to 5 feet. How long should Lela make the blue line, in feet?
    15 feet
  • True or False: A scaled copy is always larger than the original figure.
    False
  • Kobe is trying to reproduce the drawing on the left, so that every side is enlarged by a scale factor of 2.5. Did Kobe make the scale drawing correctly? Explain why or why not.
    Yes
  • Here is a figure that looks like the letter A, along with several other figures. Which figures are scaled copies of the original A?
    Figures 2 and 4 are scaled copies.
  • Solve: 21 × _____ = 7
    1/3 or 0.333...
  • Rectangle EFGH is a scaled copy of Rectangle ABCD. What scale factor was used to create EFGH?
    2.5 or 2 1/2
  • What is the value of x?
    4.5 cm
  • What is the scale factor from rectangle KLMN to OPQR?
    0.5 or 1/2