Math Problem Statement

4. 

What is the perimeter of a square with a side length of 9 1/2 cm?

Solution

The perimeter of a square can be calculated using the formula:

Perimeter=4×side length\text{Perimeter} = 4 \times \text{side length}

Given the side length of the square is 9129 \frac{1}{2} cm, we first express this as a fraction:

912=192 cm9 \frac{1}{2} = \frac{19}{2} \text{ cm}

Now, calculate the perimeter:

Perimeter=4×192=762=38 cm\text{Perimeter} = 4 \times \frac{19}{2} = \frac{76}{2} = 38 \text{ cm}

Thus, the perimeter of the square is 38 cm.


Would you like a more detailed explanation or have any questions? Here are some related questions you might find interesting:

  1. How do you calculate the area of a square?
  2. What would be the perimeter of a square if the side length were doubled?
  3. How does the perimeter of a square relate to the perimeter of a rectangle?
  4. What is the diagonal length of a square given the side length?
  5. How can you find the side length of a square if you know its perimeter?

Tip: Always convert mixed numbers into improper fractions for easier calculations!

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Math Problem Analysis

Mathematical Concepts

Geometry
Perimeter of a Square

Formulas

Perimeter of a square = 4 × side length

Theorems

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Suitable Grade Level

Grades 4-6