What is the diameter if the radius of a circle is 6?

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Study for the FTCE Mathematics Grades 5-9 Exam with our comprehensive guide. Master key concepts with flashcards and multiple choice questions, complete with hints and explanations. Prepare effectively for a successful outcome!

Multiple Choice

What is the diameter if the radius of a circle is 6?

Explanation:
To determine the diameter of a circle when the radius is given, you use the relationship between the diameter and the radius. The diameter of a circle is twice the length of the radius. This can be expressed with the formula: Diameter = 2 × Radius. In this case, if the radius is 6, you would calculate the diameter as follows: Diameter = 2 × 6 = 12. This confirms that the correct answer is 12, as it accurately reflects the mathematical relationship between a circle's radius and its diameter. Understanding this relationship is fundamental in geometry, especially when working with properties of circles.

To determine the diameter of a circle when the radius is given, you use the relationship between the diameter and the radius. The diameter of a circle is twice the length of the radius. This can be expressed with the formula:

Diameter = 2 × Radius.

In this case, if the radius is 6, you would calculate the diameter as follows:

Diameter = 2 × 6 = 12.

This confirms that the correct answer is 12, as it accurately reflects the mathematical relationship between a circle's radius and its diameter. Understanding this relationship is fundamental in geometry, especially when working with properties of circles.

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