Circumference & area of a circle

What is the radius of this circle?

• 18
• 10
• 9
• 8

Tags

CCSS.7.G.B.4

find the area of the circle below.

• 100 cm
• 225 cm
• 9 cm
• 28.26 cm

Tags

CCSS.7.G.B.4

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

• Radius
• Diameter

What is the area of this circle?

• 6082.12
• 1520.53
• 1893.14
• 1292.92

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 163.2
• 15.3
• 124.2
• 113.1

Tags

CCSS.7.G.B.4

A line that goes from one end of the circle to the other and crosses the center point.  

• center
• diameter
• dime eater
• radius

Which BEST describes segment AB?

• chord
• secant
• tangent
• diameter

Tags

CCSS.HSG.C.A.2

A line that goes from the center to outwards is called...

• Diameter

• Circumference

• Radius

• Say what???

Distance around the circle (loop) is called...

• Diameter

• circumference

• Radius

• I don't have a clue

Tags

CCSS.7.G.B.4

 $\pi$  is a ratio of circumference to 

• Diameter

• radius

• Circle

• Wait...I know this!!

Tags

CCSS.7.G.B.4