Questions: In order for a button to fit through its buttonhole, the hole needs to be the the button's diameter. What size buttonhole is needed for a button with a circumference of 9.42 centimeters? A) 6 centimeters B) 4 centimeters C) 3 centimeters D) 1.5 centimeters

In order for a button to fit through its buttonhole, the hole needs to be the the button's diameter. What size buttonhole is needed for a button with a circumference of 9.42 centimeters?
A) 6 centimeters
B) 4 centimeters
C) 3 centimeters
D) 1.5 centimeters
Transcript text: In order for a button to fit through its buttonhole, the hole needs to be the the button's diameter. What size buttonhole is needed for a button with a circumference of 9.42 centimeters? A) 6 centimeters B) 4 centimeters C) 3 centimeters D) 1.5 centimeters
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Solution

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Solution Steps

Step 1: Understand the relationship between circumference and diameter

The circumference \( C \) of a circle is related to its diameter \( D \) by the formula: \[ C = \pi D \] where \( \pi \) is approximately 3.14.

Step 2: Solve for the diameter

Given the circumference \( C = 9.42 \) centimeters, we can solve for the diameter \( D \) using the formula: \[ D = \frac{C}{\pi} \] Substitute the given value: \[ D = \frac{9.42}{3.14} \]

Step 3: Calculate the diameter

Perform the division: \[ D = 3 \text{ centimeters} \]

Step 4: Match the calculated diameter with the options

The calculated diameter is 3 centimeters, which corresponds to option C) 3 centimeters.

Final Answer

The correct answer is C.

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