Changing Dimensions Proportionally

Flashcard
•
Mathematics
•
10th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What happens to the perimeter of a shape when it is dilated by a scale factor of 2?
Back
The perimeter is doubled.
2.
FLASHCARD QUESTION
Front
If a figure is multiplied by a scale factor of 1/4, what happens to its perimeter?
Back
The perimeter will be 1/4 the original perimeter.
3.
FLASHCARD QUESTION
Front
When multiplying the dimensions of a shape by a scale factor, how does the area change?
Back
The area will multiply by the scale factor squared (to the power of 2).
4.
FLASHCARD QUESTION
Front
When multiplying the dimensions of a shape by a scale factor, how does the perimeter change?
Back
The perimeter will multiply by the same scale factor.
5.
FLASHCARD QUESTION
Front
If the dimensions of a pentagon with an area of 12 are tripled, what is the area of the new pentagon?
Back
The area of the new pentagon is 108.
6.
FLASHCARD QUESTION
Front
Define 'scale factor' in the context of geometry.
Back
A scale factor is a number that scales, or multiplies, the dimensions of a shape to create a similar shape.
7.
FLASHCARD QUESTION
Front
What is the relationship between scale factor and area when scaling a two-dimensional shape?
Back
The area of the shape is multiplied by the square of the scale factor.
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