Areas and Circumference of a Circle

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

• 8π/3

• 2π/3

• 32π/3

• 4π/3

Tags

CCSS.HSG.C.B.5

What is the area of the shaded region? Leave answers in terms of π.

• ⅜π

• 8/3π

• ⅔π

• 4/3π

Tags

CCSS.HSG.C.B.5

What is the area of this circle?

• 12π

• 6π

• 144π

• 36π

Tags

CCSS.7.G.B.4

What is the radius of a circle with an area of 49π?

• 49

• 10

• 7

• 14

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

In circle O, the radius is 4, and the measure of minor arc AB is 120 degrees. Find the length of minor arc AB to the nearest integer.

• 5

• 9

• 8

• 6

Tags

CCSS.HSG.C.B.5

Find the arc length.  Leave your answer in terms of π.

• 7/4π

• 7/2π

• 1/8π

• 45π

Tags

CCSS.HSG.C.B.5

A Circle has a radius of 4.  What is the circumference of the circle? (Best Choice)

• 4π or about 12.56

• 16π or about 50.24

• 2π or about 6.28

• 8π or about 25.12

Tags

CCSS.7.G.B.4

If Pacman's mouth, when open, is 70° and the radius of his mouth is 8mm, what is the exact area of the rest of Pacman's body?

• (464/9)π mm²

• (112/9)π mm²

• (116/9)π mm²

• (28/9)π mm²

Tags

CCSS.HSG.C.B.5

is the formula for?

• arc length

• area of a sector

• area of a segment

• arc measure

Tags

CCSS.HSG.C.B.5