area of a circle

What is the diameter of the circle?

• 5

• 10

• 3.14

• 30.14

Tags

CCSS.7.G.B.4

What is the radius of the circle?

• 18

• 10

• 9

• 8

What is the area of a circle with the diameter of 10cm ?

• 66 cm

• 66.5 cm

• 78.5 cm

• 10 cm

Tags

CCSS.HSG.GMD.A.1

Find the area of the cirlce.

• 100 cm

• 9 cm

• 225 cm

• 28.26 cm

Tags

CCSS.HSG.GMD.A.1

What is the area of this circle?

• 82.13 m

• 314.16 m

• 78.5 m

• 170.12 m

Tags

CCSS.HSG.GMD.A.1

What is the formula for finding the area of a circle?

• A = π·d

• C = 2·π·r

• A = π·r²

• C = π·d

Tags

CCSS.HSG.GMD.A.1

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

• pie

• 3.14

Tags

CCSS.7.G.B.4

CCSS.7.G.B.6

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