Week 6 - Area of Circles and Sectors

What is the area of the shaded sector?

• $222.2\pi\ ft^2$

• $17.8\pi\ ft^2$

• $8.9\pi\ ft^2$

• $177.8\pi\ ft^2$

What is the area of the shaded sector?

• $236.8\pi\ cm^2$

• $52.2\pi\ cm^2$

• $3.1\pi\ cm^2$

• $6.3\pi\ cm^2$

What is the area of the shaded sector? Round to the nearest whole number.

• $8\ u^2$

• $3\ u^2$

• $42\ u^2$

• $4\ u^2$

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

• $1.26\ u^2$

• $452.39\ u^2$

• $9.42\ u^2$

• $113.10\ u^2$

What is the area of this circle?

• $12\pi\ cm^2$

• $6\pi\ cm^2$

• $144\pi\ cm^2$

• $36\pi\ cm^2$

What is the area of this circle?

• $25\pi\ m^2$

• $10\pi\ m^2$

• $\pi\ m^2$

• $5\pi\ m^2$

What number is pi?

• 1.41

• 2.00

• 3.14

• 5.14

Tags

CCSS.HSG.GMD.A.1

What is the AREA FORMULA for a circle?

• $A=\pi r^2$

• $A=2\pi r$

• $A=2\pi r^2$

• $A=\frac{mAB}{360}\times\pi r^2$

What is this the formula for?

• arc length

• area of a sector

• area of a segment

• arc measure

Tags

CCSS.HSF.TF.A.1

CCSS.HSG.C.B.5

Find the area of the shaded sector. Use 3.14 for pi. Round to the nearest tenth.

• 7.9 units ²

• 24.7 units²

• 10.6 units²

• 98.9 units²