Math Problem Statement
The circumference of a circle is 6π cm. What is the area, in square centimeters? Express your answer in terms of π.
Solution
Let’s solve the problem step by step:
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Given information:
- Circumference of the circle is cm.
- Formula for the circumference of a circle is , where is the radius.
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Find the radius : Divide both sides by :
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Formula for the area of a circle:
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Substitute :
Final Answer:
Would you like further clarification or more detailed steps?
Here are 5 related questions for further practice:
- If the radius of a circle is , what is its circumference in terms of ?
- A circle has an area of . What is its radius?
- How does doubling the radius affect the area of a circle?
- If the diameter of a circle is , what is its area in terms of ?
- What is the relationship between the radius and area of a circle?
Tip: Always identify key formulas for circles: and .
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Math Problem Analysis
Mathematical Concepts
Geometry
Circles
Formulas
Circumference of a circle: C = 2πr
Area of a circle: A = πr²
Theorems
Relationship between radius and area of a circle
Suitable Grade Level
Grades 7-9