Key Terms Circle

What is the definition of a secant?

• A line segment whose endpoints are on the circle.

• A line that intersects a circle in one point.

• A line that intersects a circle in two points.

• A line segment which intersects the circle at the point of secancy.

What is DG?

• Secant

• Radius

• Chord

• Tangent

Which segment is a radius?  Check all that apply.

What is this called?

• Chord

• Minor Arc

• Circumference

• Secant

Diameter of a circle

• 2.63

• 5.52

• A line that passes through the center of the circle, connecting any two points.

• The Meter Of The Whole Circle.

Click on all the true statements about the diameter of a circle.

• The diameter goes the full way across the circle through the center.

• To find the diameter divide the radius by 2

• To calculate the diameter multiply the radius by 2

• The diameter goes half way across the circle

Which segment is a radius?

Which picture shows the radius?

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Radius is __________.

• The distance across a circle through the center.

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

• A collection of points on the same plane, equidistant from the same point.

What is shown in this picture?

• diameter

• radius

• circumference