Circles/Sector

What is the radius of this circle?

• 18
• 10
• 9
• 8

Tags

CCSS.7.G.B.4

What is/are the formula(s) to find the area of a circle?

• πr²
• 2πr
• √π

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

What is the exact area for a circle with a diameter of 3?

• 4π

• 3.00π

• 2.25π

• 1.5π

Find the exact area of a circle with a radius or 2.

• 4π

• 2π

• 8π

• 6.28

Tags

CCSS.7.G.B.4

What is the approximate area for a circle with a radius of 10? Remember the formula for area of a circle is A=πr² .

• 10π

• 314

• 3.14

• 31.4

What is the area of the shaded region? Round to the nearest hundredth.

• 1.26
• 452.39
• 113.10
• 40715.04

Tags

CCSS.HSG.C.B.5

What is the area of the shaded region? Round to the nearest hundredth.

• 50.27
• 3015.93
• 8.38
• 4.19

Tags

CCSS.HSG.C.B.5

What is the area of the shaded sector?

• 743.61 cm²
• 655.39 cm²
• 163.85 cm²
• None of the above

Tags

CCSS.HSG.C.B.5