Area of a Sector

Find the area of the shaded sector of the circle. Leave your answer in terms of π. Pro Tip: Find the angle for the yellow section FIRST.

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Tags

CCSS.HSG.C.B.5

What is the green area called? (a)  

• sector
• segment
• arc
• section

What is the ϴ called? (a)  

• sector
• segment
• arc
• central angle

Calculate the area of the sector. (a)  

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

What is the area of the shaded sector? (a)  

• 339.29 in²
• 113.04 in²
• 39.29 in²
• None of the above

Find the area of the shaded space. (a)  

• 113.10 units squared
• 150.80 units squared
• 157.82 units squared
• 10.92 units squared

Find the area of the sector, rounding your answer to one decimal place. (a)  

• 2.1cm²
• 2.0cm²
• 0.5cm²
• 12.6cm²

What is the area formula for a circle? (a)  

• A = πr²
• A = 2πr
• A = √π

Find the area of the sector formed by arc s. Notice: this angle is in radians. (π/3 is equal to 60 degrees) Round your answer to two decimal places.

Mathematical Equivalence

ON

Find the area of the sector formed by arc s. Notice: this angle is in radians. Round your answer to one decimal place.

Mathematical Equivalence

ON