Circle and Angles, Circumference Area Arcs Chords

A diameter is also a chord.

• True

• False 

It is a set of points that are equidistant to one fixed point.

• Center

• Chord

• Circle

• Diameter

Which of the following names a radius?

• segment AC

• segment DB

• segment AB

• segement BC

What is circumference?

• The distance around a circle.

• The space inside the circle.

• A line from side to side passing through the center.

• A line from the center to the side.

Which segment is the diameter?

• AC

• BD

• LM

• CE

It is a portion of the circumference from any two points that lie on the boundary of the circle.

• Arc

• Chord

• Diameter

• Radius

Define the term 'circumference' in relation to circles.

• The circumference is the distance around a circle.

• The circumference is the diameter of a circle.

• The circumference is the area of a circle.

• The circumference is the radius of a circle.

What is the formula for calculating the circumference of a circle?

• C = πd

• C = 2r

• C = πr^2

• C = 2πr

What is the area of a circle?

• A = r² + h²

• A = πr²

• A = πd

• A = 2πr

What is the relationship between the angles formed by two intersecting chords?

• The angles are equal to the measures of the arcs they intercept.

• The angles are equal to the difference of the measures of the arcs they intercept.

• The angles formed by two intersecting chords are equal to half the sum of the measures of the arcs they intercept.

• The angles are equal to the sum of the measures of the arcs they intercept.