Area and Circumference

What is the diameter?

• 8
• 16
• 10
• 4

Tags

CCSS.7.G.B.4

A DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference?

• c = 15π
• C = 2π15
• c = 15 ÷ π
• c = 15 π

Tags

CCSS.7.G.B.4

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

• Radius
• Diameter

Tags

CCSS.HSG.C.A.2

Find the area of the circle

• 43.96
• 153.86
• 87.82
• 307.72

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 8322.13
• 1134.11
• 4536.46
• 1267.09

Tags

CCSS.7.G.B.4

What is the area of this circle?

• 1385.44
• 2142.12
• 5541.77
• 1289.12

Tags

CCSS.7.G.B.4

what is the area of this semicircle ?

• 100.48cm²
• 80cm²
• 200.96cm²
• none of the above

Tags

CCSS.7.G.B.4

What is the formula for area of a circle?

• A = π×r²
• A = 2×π×r

Tags

CCSS.7.G.B.4

What is the radius of this circle?

• 18 in
• 10 in
• 9 in
• 8 in

Tags

CCSS.7.G.B.4

What is the diameter of this circle?

• 3.5 m
• 3 m
• 5 m
• 7 m

Tags

CCSS.7.G.B.4