Area of Sectors and Arc Lenght

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

• supplementary
• complimentary
• central
• obtuse

Tags

CCSS.HSG.C.A.2

What is the formula to find the Area of a Circle

•  $\pi d$  

•  $\pi r^2$  

•  $\frac{Arc}{360}\times\pi r^2$  

•  $\frac{Arc}{360}\times\pi d$  

Tags

CCSS.HSG.GMD.A.1

A region bounded by two radii of the circle and their intercepted arc is a ....

• arc of a circle
• arc length of a circle
• sector of a circle
• segment of a circle

Tags

CCSS.HSG.C.B.5

What is the formula to find the Area of a sector of a Circle

•  $\pi d$  

•  $\pi r^2$  

•  $\frac{Arc}{360}\times\pi r^2$  

•  $\frac{Arc}{360}\times\pi d$  

Tags

CCSS.HSG.C.B.5

CCSS.HSF.TF.A.1

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

What is the formula to find the Circumference of a Circle

•  $\pi d$  

•  $\pi r^2$  

•  $\frac{Arc}{360}\times\pi r^2$  

•  $\frac{Arc}{360}\times\pi d$  

Tags

CCSS.HSG.GMD.A.1

What is the formula to find the Length of an Arc

•  $\pi d$  

•  $\pi r^2$  

•  $\frac{Arc}{360}\times\pi r^2$  

•  $\frac{Arc}{360}\times\pi d$  

Tags

CCSS.HSG.C.B.5

CCSS.HSF.TF.A.1

Find the area of the sector.

• 52.4 in²

• 18,864 in²

• 60 in2

• 10.47 in

Tags

CCSS.HSG.C.B.5

Find the area of each sector.

• 4248 m²
• 7.9 m²
• 2827.4 m²
• 11.8 m²

Tags

CCSS.HSG.C.B.5

Find the area of the shaded sector of circle O.  The radius is 6 inches and the central angle is 100°.  Express answer to the nearest tenth of a square inch.

• 9.2 sq. in.
• 10.5 sq. in.
• 31.4 sq. in.
• 38.2 sq. in.

Tags

CCSS.HSG.C.B.5