Circle Area & Circumference

A Circle has a radius of 4.  What is the circumference of the circle? (Best Choice)

• 4π or about 12.56
• 16π or about 50.24
• 2π or about 6.28
• 8π or about 25.12

Tags

CCSS.7.G.B.4

A Circle has a radius of 4.  What is the area of the circle? (Best Choice) (note: units are squared)

• 4π or about 12.56
• 16π or about 50.24
• 2π or about 6.28
• 8π or about 25.12

Tags

CCSS.7.G.B.4

A Circle has a radius of 6 inches.  What is the circumference of the circle? (Best Choice)

• 3π or about 9.42 in
• 6π or about 18.84 in
• 12π or about 37.68 in
• 36π or about 113.04 in 

Tags

CCSS.7.G.B.4

A Circle has a radius of 6 inches.  What is the area of the circle? (Best Choice)

• 3π or about 9.42 in²
• 6π or about 18.84 in²
• 12π or about 37.68 in²
• 36π or about 113.04 in² 

Tags

CCSS.7.G.B.4

A Circle has a radius of 12 inches.  What is the circumference of the circle? (Best Choice)

• 24π or about 75.36 in
• 12π or about 37.68 in
• 144π or about 452.16 in
• 576π or about 1,808.64 in 

Tags

CCSS.7.G.B.4

A Circle has a radius of 12 inches.  What is the area of the circle? (Best Choice)

• 24π or about 75.36 in²
• 12π or about 37.68 in²
• 144π or about 452.16 in²
• 576π or about 1,808.64 in² 

Tags

CCSS.7.G.B.4

A Circle has a radius of 10 meters.  What is the area of the circle? (Best Choice)

• 5π or about 15.7 m²
• 10π or about 31.4 m²
• 20π or about 62.8 m²
• 100π or about 314 m² 

Tags

CCSS.7.G.B.4

A flower pot has a radius of 8 inches.  What is the area of the (top of the) flower pot? (Best Choice)

• 4π or about 12.56 in²
• 8π or about 25.12 in²
• 16π or about 50.24 in²
• 64π or about 200.96 in²

Tags

CCSS.7.G.B.4

what is the area of a circle with the diameter of 10cm ?

• 66cm
• 78.5cm
• 66.5cm
• 10m

Tags

CCSS.7.G.B.4

Marisa purchases a pot for her father's garden. The diameter of the bottom of the pot is 18 cm. What is the area of the pot's bottom? (Round to the nearest whole number.)

• 28 cm²
• 57 cm²
• 254 cm²
• 1017 cm²

Tags

CCSS.7.G.B.4