Parts of a Circle and Area

What is the radius of this circle?

• 18
• 36
• 9
• 8

Tags

CCSS.7.G.B.4

_{What is the diameter of this circle?}

• 5 in

• 10 in

• 3.14 in

• 2.5

Tags

CCSS.7.G.B.4

What part of a circle does the red line represent?

• the radius

• the diameter

• the circumference

Tags

CCSS.HSG.C.A.2

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

• Radius
• Diameter

Tags

CCSS.HSG.C.A.2

CCSS.HSG.CO.A.1

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

• &

• %

Tags

CCSS.HSG.GMD.A.1

What number is pi?

• 1.41

• 2.00

• 3.14

• 5.14

Tags

CCSS.HSG.GMD.A.1

_____________ is half of the diameter

• circumference

• center

• radius

• diameter

Tags

CCSS.HSG.C.A.2

_____________ is twice the radius

• circumference

• center

• radius

• diameter

Tags

CCSS.HSG.C.A.2

Which is the correct formula for the area of a circle?

• A = π r²

• A = 2π r²

• A=πd

• A=π d²

Tags

CCSS.7.G.B.4