CIRCLES

What is the area of a circle with a radius of 5 units?

Tags

CCSS.7.G.B.4

• 8 units

• 16 units

• 32 units

• 4 units

Tags

CCSS.7.G.B.4

Tags

CCSS.7.G.B.4

A circular disc is cut from a piece of square plastic.  How much plastic is left over? The side length of the piece of plastic is 15 inches. 

• 47.1 in.²
• 48.37 in.²
• 225 in²
• 176.37in.²

The diameter of the face-off circle on an ice-hockey rink is 30 feet. Find its area.

• 675.6 ft²
• 29.67 ft²
• 545.8 ft²
• 706.5 ft²

Jayden has a very large circular lollipop that has a circumference of 25.12 inches. What would the diameter of Jayne’s lollipop be? Use π = 3.14.

• 4 in.

• 8 in.

• 12 in.

• 16 in.

Kara has a very large circular lollipop that has a circumference of 25.12 inches. What would the area of Jayne’s lollipop be? Use π = 3.14. (You are going to have to find the diameter then radius before finding area.)

• 50.24 in.²

• 200.96 in²

• 12.56 in. ²

• 78.88 in^.2

A circle has an circumference of 56.52 cm. Find the area of the circle.

• 1017.36 cm²
• 254.34 cm²
• 3194.51 cm²
• 798.63 cm²

What formula is this used for:
πd

• Area
• Circumference 
• Surface Area
• Volume 

What formula is this used for:
πr²

• Circumference 
• Area
• Surface Area
• Volume