What is the formula for calculating the perimeter of a triangle?
7.G.1

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Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The perimeter of a triangle is calculated by adding the lengths of all three sides: P = a + b + c.
2.
FLASHCARD QUESTION
Front
What is a scale factor?
Back
A scale factor is a number that scales, or multiplies, some quantity. It is used to determine the proportional relationship between two similar figures.
3.
FLASHCARD QUESTION
Front
If a triangle has sides of lengths 10, 12, and 14, what is its perimeter?
Back
The perimeter is 10 + 12 + 14 = 36.
4.
FLASHCARD QUESTION
Front
How do you convert feet to inches?
Back
To convert feet to inches, multiply the number of feet by 12 (since 1 foot = 12 inches).
5.
FLASHCARD QUESTION
Front
What is the scale drawing of an object?
Back
A scale drawing is a representation of an object that is proportional to its actual size, using a specific ratio.
6.
FLASHCARD QUESTION
Front
If the scale factor from shape A to shape B is 2/3, what does this mean?
Back
It means that every dimension of shape A is multiplied by 2/3 to get the corresponding dimension in shape B.
7.
FLASHCARD QUESTION
Front
What is the height of a building in a scale drawing if the actual height is 300 ft and the scale is 1 inch : 10 ft?
Back
The height in the scale drawing is 300 ft / 10 ft/inch = 30 inches.
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