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Importance of Scale Factor and Knowledge

❶An artist used a scale of 1 in.

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The blue and red figures are similar. It is important to notice two things about the scale factor: The scale factor from the first figure to the second is always the reciprocal of the scale factor from the second figure to the first. Using the Scale Factor If two figures are similar, then you can relate different characteristics of the figure by using the scale factor. These two similar squares have a scale factor of 1: We can see that this result matches the picture.

The volume of the second cube is therefore cubic inches. Checking our work, we can see that: Example Problems from Math Class You can show that two figures are similar by finding the scale factor for each pair of corresponding sides.

The figures on the left are similar, but the figures on the right are not similar. Try it risk-free No obligation, cancel anytime. Want to learn more? Select a subject to preview related courses: Starting with the diagonal side of each figure, we have: In the second pair of figures, we obtain the following ratios, going from red to black: Therefore, the figures are not similar.

The scale factor from green to black is 1: Blueprint Reading The scale factor is critically important on a blueprint. Model Figures Model building is a popular hobby. Lesson Summary A scale factor is used in many applications that involve similar figures, including blueprints and models. Learning Outcomes When you are finished, you should be able to: Explain what a scale factor is Find a scale factor between two similar figures List some of the uses for scale factors in real life.

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Dec 30,  · Hi, Can anyone help me with drawing a scale plan? I basically have a free hand sketch of a room, (crime scene) and measured dimensions in cm on it.

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