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  1. Jan 11, 2023 · A scale factor gives the ratio of the representation to the actual object. A scale drawing is an accurate drawing of an object done using a scale factor to shrink the original object's dimensions. How to use scale factor. Scaling an object helps you visualize large real-world objects in small spaces or enlarge a small object for better viewing.

  2. Scale Factor. Scale factor is a number by which the size of any geometrical figure or shape can be changed with respect to its original size. It is used to draw the enlarged or reduced shape of any given figure and to find the missing length, area, or volume of an enlarged or reduced figure.

  3. Example 1: using a scale factor to enlarge a shape. Enlarge this shape by scale factor 2 2: Scale the first side. Let’s start with the base. The base in the original shape is 1, 1, so the base of the image will be 2. 2. 1\times2=2 1 × 2 = 2. You can draw it anywhere on the grid. 2 Scale another side.

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  5. Apr 9, 2024 · In math, a scale factor refers to the ratio between the side lengths and coordinate points of two similar figures. In the case of dilations, scale factor is used to describe by what factor the original image has been stretched (enlarged) or shrunk (reduced) in size. When the scale factor, k, is greater than one, the result is an enlargement.

  6. A scale factor is the ratio between the size of an original and final object that vary only in size. Learn how to find the scale factor of similar figures, how to use it in geometry and real-world applications, and see examples and exercises.

  7. Watch this video to learn how to identify scale factors in different situations, such as enlarging or reducing shapes. You will see examples of scale factors applied to real-world problems and learn how to use them to solve for missing dimensions. This video is part of the Khan Academy's 7th grade math course, which covers the EngageNY curriculum.

    • 3 min
  8. Transcript. Dilations make a shape bigger or smaller. A scale factor tells us how much to multiply by the side lengths to change the size. The scale factor is the ratio of the side length in the new shape (image) to the side length in the corresponding side in the original shape (pre-image). Each pair of corresponding sides has the same factor.

    • 5 min
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