What are scale drawings?
Scale Drawings

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•
Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Scale drawings are representations of objects that are proportionally reduced or enlarged in size, maintaining the same shape and angles.
2.
FLASHCARD QUESTION
Front
What does it mean for angles in similar figures?
Back
All angles in similar figures are congruent, meaning they have the same measure.
3.
FLASHCARD QUESTION
Front
What is a scale factor?
Back
A scale factor is a number that scales, or multiplies, some quantity. In scale drawings, it represents the ratio of a length in the drawing to the corresponding length in the actual object.
4.
FLASHCARD QUESTION
Front
If a scale drawing has a scale of 1/4 inch = 10 feet, how do you find the height of a building in the drawing?
Back
To find the height in the drawing, divide the actual height by the scale factor. For example, a 360 feet tall building would be 360 feet / 10 feet per 1/4 inch = 9 inches in the drawing.
5.
FLASHCARD QUESTION
Front
How do you convert measurements from a scale drawing to actual size?
Back
To convert measurements, multiply the measurement in the drawing by the scale factor.
6.
FLASHCARD QUESTION
Front
What is the actual width of a pool if it measures 26 centimeters in a scale drawing with a scale of 2 cm : 1 m?
Back
The actual width of the pool is 26 cm * (1 m / 2 cm) = 13 m.
7.
FLASHCARD QUESTION
Front
What is the relationship between similar figures?
Back
Similar figures have the same shape but may differ in size. Their corresponding angles are equal, and their corresponding sides are in proportion.
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