Math Problem Statement
The diameter of a circle is 178 cm. Find the circumference to the nearest whole number.
Solution
To find the circumference of a circle, we use the formula:
where is the circumference, and is the diameter of the circle.
Given:
Rounding to the nearest whole number:
So, the circumference is approximately 559 cm.
Would you like more details or have any questions?
Here are 5 related questions:
- What is the formula for the area of a circle?
- How does the radius relate to the diameter?
- If the diameter is doubled, how does that affect the circumference?
- What is the circumference if the radius is given instead of the diameter?
- How can you calculate the arc length of a portion of a circle?
Tip: Always remember that the diameter is twice the radius, so you can find the circumference using either measurement!
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Math Problem Analysis
Mathematical Concepts
Geometry
Circumference of a Circle
Formulas
Circumference formula: C = π × d
Theorems
Relationship between diameter and circumference
Suitable Grade Level
Grades 6-8
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