Measurements in Circles

The distance around a circle

• Circumference

• Area

• Diameter

• Radius

The chord that passes through the center of a circle is the

• Radius

• Diameter

• Tangent

• Secant

The distance from the center of a circle to any point on a circle is the

• Radius

• Diameter

• Chord

• Tangent

• Circumference and diameter

• Circumference and area

• Radius and diameter

The diameter of a circle is

• twice the radius

• half the radius

• equal to the radius

The radius of a circle is

• twice the diameter

• half the diameter

• equal to the diameter

The formula for area of a circle is:

The formula for circumference is

• calculating arc length

• calculating the area of a sector

• calculating circumference

• calculating area of a circle

• arc length

• area of a sector

• circumference

• area