Area of a Circle, Sector and Segment - Quiz 3

The area of the circle would be found using which of the following formulas...

• Area = π(4.5)²
• Area = π(9)²
• Area = π(18)²
• None of these

Tags

CCSS.7.G.B.4

Find the area of the circle. (18 inches is the whole diameter.)

• 28.3 in²
• 254.5 in²
• 1017.9 in²
• 81 in²

Tags

CCSS.7.G.B.4

Find the area of the circle.

• 14π m²
• 28π m²
• 196π m²
• 784π m²

Tags

CCSS.7.G.B.4

A sector, is a portion of a circles area, bounded by two radii. It is a FRACTION of the area. What is the formula that would be used to find the area bounded by angle ABC?

• Area = (1/3)π(18)²
• Area = (1/3)π(9)²
• Area = (2/3)π(18)²
• Area = (2/3)π(9)²

Tags

CCSS.HSG.C.B.5

A sector, is a portion of a circles area, bounded by two radii. It is a FRACTION of the area. What is the area bounded by angle ABC?

• 18.8 cm²
• 84.8 cm²
• 169.6 cm²
• 27 cm²

Tags

CCSS.HSG.C.B.5

Find the area of the shaded region.

• 73.5 m²
• 230.9 m²
• 115.5 m²
• 923.6 m²

Tags

CCSS.HSG.C.B.5

Find the area of the shaded region.

• 301.6 cm²
• 2π cm²
• 144π cm²
• 24π cm²

Tags

CCSS.HSG.C.B.5

A segment of a circle, is a portion of a circle that is formed by a sector and a triangle. To find its area, you simply find the area of the sector and subtract the area of the triangle (using the formula from the beginning.) Try - it, find the area of the segment of the circle. 

• 603.2 units²
• 109.0 units²
• 353.8 units²
• 249.4 units²

Tags

CCSS.HSG.C.B.5

Find the area of the segment.

• (36π - 18) cm²
• (9π - 18) cm²
• (9π - 36) cm²
• None of these are the area

Tags

CCSS.HSG.C.B.5

Challenge: Find the area of the shaded region.

• 72(2π - 4) cm²
• 72π - 144 cm²
• 144(π - 1) cm²
• 72(2π - 5) cm²