Circles Quiz

What is a circle defined as in the given material?

• A shape with four equal sides

• A collection of points equidistant from a given point

• A polygon with minimum three sides

• A two-dimensional figure with one side

According to the material, what does the radius of a circle represent?

• The distance from any point on the circle to the center

• The circumference of the circle

• The area of the circle

• The line that goes through the center of the circle from one end to the other end

How is the diameter of a circle defined in the material?

• A line that connects two points on the circle without passing through the center

• The distance around the circle

• A line that goes through the center of the circle from one end to the other end

• Twice the radius of the circle

If the radius of a circle is 20x, what is the diameter according to the formula given?

• 10x

• 20x

• 40x

• 80x

If the diameter of a circle is 31m, what is the radius according to the formula given?

• 15.5m

• 31m

• 62m

• 124m

What is a chord in the context of a circle?

• A line segment that passes through the center of the circle.

• A line segment that touches the circle at exactly one point.

• A line segment within the circle that connects two points on the circle.

• A line that intersects the circle at exactly two points but does not pass through the center.

What is a secant in the context of a circle?

• A line segment that touches the circle at exactly one point.

• A line that intersects the circle at exactly two points.

• A line segment within the circle that connects two points on the circle.

• A line that touches the circle at exactly two points and passes through the center.

What is a tangent in the context of a circle?

• A line segment that connects two points on the circle.

• A line that intersects the circle at exactly two points.

• A line that touches the circle at exactly one point.

• A line segment that passes through the center of the circle.

Consider the diagram provided. What is the segment labeled as AB?

• Radius

• Diameter

• Secant

• Chord

Consider the diagram provided. What is the segment labeled as line DE?

• Radius

• Diameter

• Secant

• Tangent