Area and Circumference of a Circle

What formula is this used for:
πr²

• Circumference 
• Area
• Surface Area
• Volume

Tags

CCSS.7.G.B.4

What formula is this used for:
πd

• Area
• Circumference 
• Surface Area
• Volume 

Tags

CCSS.7.G.B.4

find the area of the circle with radius 3 cm below.

• 100 cm²
• 225 cm²
• 9 cm²
• 28.26 cm²

Tags

CCSS.7.G.B.4

What is the diameter of this circle?

• 3.5
• 3
• 5
• 7

Tags

CCSS.7.G.B.4

What is the radius of this circle?

• 18
• 10
• 9
• 8

Tags

CCSS.7.G.B.4

What is the diameter of this circle?

• 3.5
• 3
• 5
• 7

Find the area of the circle

• 43.96
• 153.94
• 87.82
• 307.72

Find the area of the circle

• 56.52
• 254.47
• 1017.36
• 113.04

Tags

CCSS.7.G.B.4

What is the circumference of this circle ? Answer in terms of pi.

• 3.14 pi cm 
• 12 pi cm
• 24 pi cm
• 68.4 pi cm

Tags

CCSS.7.G.B.4