Area of a Sector

Area of a Sector Review

Coach Cody

Objectives

• Identify the formula of for finding the area of a sector

• Solve for the area of a sector Solve for the area of a sector.

Youtube Link

Review the process for finding the area of a sector here: https://youtu.be/7f9_U85_YX4

You've seen this on Delta Math

 $\theta\ is\ just\ the\ known\ measure\ of\ an\ angle.$  

Make sure you have this information in your notes before you proceed.

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Multiple Choice

is the formula for?

• arc length

• area of a sector

• area of a segment

• arc measure

Multiple Choice

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

• 8π/3

• 2π/3

• 32π/3

• 4π/3

Multiple Choice

Find the area of the sector, rounding your answer to 1d.p.

• 176.7cm²

• 23.6cm²

• 156.7cm²

• 88.4cm²

Multiple Choice

Find the area of the shaded sector of circle O. The radius is 6 inches and the central angle is 100°. Express answer as an exact value

• 5π/3

• 10π/3

• 10π

• 40π

Multiple Choice

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.

Multiple Choice

Find the area of the shaded sector of the circle.

Multiple Choice

You stop for lunch at a local pizza shop where each pizza is cut into 8 slices. Would your hunger be better satisfied with one slice from a 16 inch pizza or two slices from a 12 inch pizza

• One Slice

• Two Slices

Multiple Choice

Find the area of the sector, rounding your answer to 1d.p.

• 176.7cm²

• 23.6cm²

• 156.7cm²

• 88.4cm²

Multiple Choice

Find the area of the shaded sector.

• 5.7

• 2.2

• 76.0

• 29.8