Circle Area

What is the radius of the circle below?

• 3 cm

• 1.5 cm

• 6cm

• I don't know

Tags

CCSS.7.G.B.4

What is the radius of this circle?

• 18

• 10

• 9

• 8

Determine the radius of the penny

• 59.66 mm
• 9.5 mm
• 38 mm
• 119.32 mm

Tags

CCSS.7.G.B.4

What does A represent in the formula:

A = π·r²

• Area

• Radius

• Pi

• Diameter

Tags

CCSS.7.G.B.4

What does r represent in the formula:

A = π·r²

• circumference

• radius

• diameter

• squared

Tags

CCSS.7.G.B.4

What number does π represent?

• 4.13

• 3.41

• a piece of pie

• 3.14

Tags

CCSS.5.NBT.A.3

What is the radius of a circle?

• halfway through a circle

• a line through the center of a circle

• the amount of space inside of the circle

• the distance around a circle

Tags

CCSS.HSG.C.A.2

CCSS.HSG.CO.A.1

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

• Radius
• Diameter

Tags

CCSS.7.G.B.4

What is the area of a circle?

• halfway through a circle

• a line through the center of a circle

• the amount of space inside of the circle

• the distance around a circle

Tags

CCSS.HSG.GMD.A.1

What is the symbol for pi?

• #

• π

• &

• %