Circles-Area

What is the formula for the area of a circle?

• A = π

• A = 2πr

• A = πr²

• A = πd

Tags

CCSS.7.G.B.4

What is the exact area for a circle with a diameter of 12? Remember the formula for area of a circle is A=πr² .

• 12π

• 6π

• 36π

• 144π

Tags

CCSS.7.G.B.4

What is the exact area for a circle with a diameter of 100? Remember the formula for area of a circle is A=πr² .

• 2500π

• 1500π

• 200π

• 50π

Tags

CCSS.7.G.B.4

_diameter?

• 5 in
• 10 in
• 3.14 in
• 15.84 in

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

Tags

CCSS.7.G.B.4

Find the area of the circle.

• 9π cm²
• 36π cm²
• 3π cm²
• 2.25π cm²

Tags

CCSS.7.G.B.4

Find the area of the circle

• 43.96
• 153.86
• 87.82
• 307.72

Tags

CCSS.7.G.B.4

If the diameter of a circle is 20 inches, what is the area?

• 100πin²

• 400πin²

• 10πin²

Tags

CCSS.7.G.B.4

Find the area of the circle

• 56.52
• 254.34
• 1017.36
• 113.04

Tags

CCSS.7.G.B.4