Areas and Circumference of Circles

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

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

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

• πr²

• 2πr

• √π

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

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

Jayne has a very large circular lollipop that has a circumference of 25.12 inches. What would the diameter of Jayne’s lollipop be? Round to nearest hundredth. Don't forget to label.

Tags

CCSS.7.G.B.4