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Lesson 4-6

Lesson 4-6. Scale Drawings and Models. Definitions. Scale Drawing or Scale Model- is used to represent an object too large or too small to be drawn or built at actual size. Scale - is determined by the ratio of a given length on a drawing or model to its corresponding actual length.

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Lesson 4-6

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  1. Lesson 4-6 Scale Drawings and Models

  2. Definitions • Scale Drawing or Scale Model- is used to represent an object too large or too small to be drawn or built at actual size. • Scale- is determined by the ratio of a given length on a drawing or model to its corresponding actual length.

  3. The distance from Bingston to Alanton is 1.5 inches on a map. Find the actual distance if the scale on the map is 1 inch = 5 miles. • Find the scale factor for the map.

  4. A wall in a room is 15 feet long. On a scale drawing it is shown as 6 inches. What is the scale of the drawing?

  5. At 555 feet tall, the Washington Monument is the highest all-masonry tower. A scale model of the monument is 9.25 inches high. • What is the model’s scale? • What is the scale factor?

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