Components of Circles

What is line PT?

• chord

• secant

• point of tangency

• tangent

What is P?

• chord

• secant

• point of tangency

• tangent

Name the circle part shown

• Diameter

• Radius

• Chord

• Tangent

Is the red line a radius or diameter of the circle?

• Radius

• Diameter

If my diameter is 19 inches, what is my radius?

• 38 inches

• 9.5 inches

• 59.66 inches

• 119.32 inches

Tags

CCSS.7.G.B.4

• Diameter is: DE
• Diameter is: BA
• Diameter is: BC
• Diameter is: DC

The radius of a circle is

• The measurement from the center of a circle to an edge of the circle.

• The measurement around the circle

• The measurement from and edge of the circle to another edge through the center

• A line perpendicular to the diameter of the circle

What is the radius?

• 18

• 72

• 38

• 14

Tags

CCSS.7.G.B.4

Find the circumference (to the nearest whole number)

• 88 in

• 44 in

• 116 square in

• None of the above

Tags

CCSS.7.G.B.4

A Circle has a radius of 4.  What is the circumference of the circle? (Best Choice)

• 4π or about 12.56

• 16π or about 50.24

• 2π or about 6.28

• 8π or about 25.12

Tags

CCSS.7.G.B.4