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3 cards from this section. Quick, good the night before a test.
What is the purpose of the SCALE command in CAD?
Think about why we might need to adjust sizes in our designs.
If I apply a scale factor of 0.5 to an object, will it increase or decrease in size?
Consider what happens when you multiply by a fraction.
What happens when you apply a scale factor greater than 1?
Think about what 'greater than one' means visually.
Is the BASE POINT critical for scaling?
Consider what would happen if you didn’t have a reference point.
A model of a building is to be scaled down by a factor of 0.5. If the original dimensions are 200 units x 100 units, what will be the new dimensions?
Use multiplication to adjust each dimension.
In a drawing, an object’s length is scaled from 50 units to 150 units. If the scale factor is 3, how was the scale factor calculated?
Consider the relationship between old and new sizes.
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