What is the formula for calculating the perimeter of a rectangle?
Perimeter of Rectangles

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•
Mathematics
•
4th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
The perimeter (P) of a rectangle is calculated using the formula P = 2(length + width).
2.
FLASHCARD QUESTION
Front
If a rectangle has a length of 10 cm and a width of 5 cm, what is its perimeter?
Back
The perimeter is 30 cm, calculated as P = 2(10 cm + 5 cm).
3.
FLASHCARD QUESTION
Front
What is the perimeter of a square with a side length of 6 m?
Back
The perimeter of the square is 24 m, calculated as P = 4 * side length = 4 * 6 m.
4.
FLASHCARD QUESTION
Front
How does the perimeter of a rectangle change if both the length and width are doubled?
Back
If both the length and width are doubled, the perimeter also doubles.
5.
FLASHCARD QUESTION
Front
What is the perimeter of a rectangle with a length of 12 in and a width of 8 in?
Back
The perimeter is 40 in, calculated as P = 2(12 in + 8 in).
6.
FLASHCARD QUESTION
Front
If the perimeter of a rectangle is 50 cm and the length is 15 cm, what is the width?
Back
The width is 10 cm, calculated using the formula P = 2(length + width).
7.
FLASHCARD QUESTION
Front
What is the relationship between the perimeter and area of a rectangle?
Back
The perimeter is the total distance around the rectangle, while the area is the space contained within it; they are related but measure different properties.
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