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Questions and Answers
What is the geometric term for the point in the middle of a circle?
What is the geometric term for the point in the middle of a circle?
- Center (correct)
- Vertex
- Apex
- Endpoint
Which term refers to the longest possible chord in a circle that passes through the center?
Which term refers to the longest possible chord in a circle that passes through the center?
- Radius
- Diameter (correct)
- Circumference
- Chord
What is the formula to calculate the area of a circle?
What is the formula to calculate the area of a circle?
- $A = \frac{1}{2}\pi r$
- $A = \pi r^2$ (correct)
- $A = \pi(2r)$
- $A = 2\pi r$
Which line segment connects two points on a circle but does not necessarily pass through the center?
Which line segment connects two points on a circle but does not necessarily pass through the center?
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What is the distance around a circle called?
What is the distance around a circle called?
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What is the term for a line segment that connects two points on a circle and passes through the center?
What is the term for a line segment that connects two points on a circle and passes through the center?
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In terms of circles, what does the radius represent?
In terms of circles, what does the radius represent?
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What do we call each part into which a circle is divided by its longest chord?
What do we call each part into which a circle is divided by its longest chord?
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Which term refers to the distance around a circle?
Which term refers to the distance around a circle?
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If a circle has a radius of 5 units, what is its area using the formula A = πr²?
If a circle has a radius of 5 units, what is its area using the formula A = πr²?
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