A square has a perimeter of 40 cm. What is the length of one side?

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Question: A square has a perimeter of 40 cm. What is the length of one side?

Options:

Correct Answer: 10 cm

Solution:

Perimeter = 4 × side, so side = Perimeter / 4 = 40 cm / 4 = 10 cm.

A square has a perimeter of 40 cm. What is the length of one side?

A square has a perimeter of 40 cm. What is the length of one side?

Step 1: Understand that a square has 4 equal sides.
Step 2: Know that the perimeter of a square is the total length around it, which is calculated as 4 times the length of one side.
Step 3: Use the formula for perimeter: Perimeter = 4 × side.
Step 4: We are given that the perimeter is 40 cm.
Step 5: To find the length of one side, rearrange the formula: side = Perimeter / 4.
Step 6: Substitute the given perimeter into the formula: side = 40 cm / 4.
Step 7: Calculate the result: side = 10 cm.

Perimeter of a Square – The perimeter of a square is calculated by multiplying the length of one side by 4.
Division – Understanding how to divide the total perimeter by the number of sides to find the length of one side.