Areas Circles/Sectors

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

What is the area of this circle? Leave your answer in terms of pi.

• 25π m²

• 10π m²

• π m²

• 5π m²

Tags

CCSS.7.G.B.4

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

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

The distance along an arc measured in linear units.

• area of a sector
• arc length
• arc of a circle
• sector of a circle

Tags

CCSS.HSG.C.B.5

CCSS.HSF.TF.A.1

A ____ angle is an angle whose vertex is a the center of a circle.

• supplementary
• complimentary
• central
• obtuse

Tags

CCSS.HSG.C.A.2

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

• 7/4π
• 7/2π
• 1/8π
• 45π

Tags

CCSS.HSG.C.B.5

What is the area of this circle?

• 12π

• 6π

• 144π

• 36π

Tags

CCSS.7.G.B.4