Circles

What is the line DE called?

• Arc
• Segment
• Chord
• Circumference

Tags

CCSS.HSG.C.A.2

What is the diameter?

• DE
• AO
• AB
• OC

Tags

CCSS.HSG.C.A.2

What does "circumference" mean?

• Space a circle takes up
• Distance around a circle
• Line from one side of a circle to another
• Line from center of circle to side

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GMD.A.1

If the diameter is 5 cm what is the radius?

• 2.5 cm
• 5 cm
• 10 cm
• 5π

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.A.1

The line segment between the center and a point on the circle is the 

• Radius
• Diameter
• Chord
• Tangent

Tags

CCSS.HSG.C.A.2

If the diameter of a circle is 10 cm, the radius is 5 cm.

• TRUE
• FALSE

Tags

CCSS.7.G.B.4

The distance across a circle through the center is called the_______________.

• radius
• circumference
• diameter
• area

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

• Radius
• Diameter

Tags

CCSS.HSG.C.A.2

Which answer best describes a radius?

• radius is five times larger than a diameter

• radius = half of the diameter

• a radius is 1/4 the size of the diameter

• diameter is the radius x 2

Tags

CCSS.HSG.C.A.2

If the diameter of a circle is 18 cm, what is the length of the radius?

• 9 cm

• 3 cm

• 36 cm

• 6 cm

Tags

CCSS.7.G.B.4