Perimeter
Flashcard
•
Mathematics
•
3rd Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is the definition of perimeter?
Back
Perimeter is the total distance around the outside of a shape, calculated by adding the lengths of all its sides.
2.
FLASHCARD QUESTION
Front
How do you calculate the perimeter of a rectangle?
Back
To calculate the perimeter of a rectangle, use the formula: P = 2(length + width).
3.
FLASHCARD QUESTION
Front
What is the perimeter of a square with a side length of 5 cm?
Back
The perimeter of a square is calculated as P = 4 × side length. Therefore, P = 4 × 5 cm = 20 cm.
4.
FLASHCARD QUESTION
Front
If a triangle has sides measuring 3 cm, 4 cm, and 5 cm, what is its perimeter?
Back
The perimeter of the triangle is the sum of its sides: 3 cm + 4 cm + 5 cm = 12 cm.
5.
FLASHCARD QUESTION
Front
What is the perimeter of a rectangle with a length of 10 cm and a width of 4 cm?
Back
Using the formula P = 2(length + width), the perimeter is P = 2(10 cm + 4 cm) = 28 cm.
6.
FLASHCARD QUESTION
Front
How do you find the perimeter of a polygon with unequal sides?
Back
To find the perimeter of a polygon with unequal sides, add the lengths of all the sides together.
7.
FLASHCARD QUESTION
Front
What is the perimeter of a circle called?
Back
The perimeter of a circle is called the circumference.
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