Circles

Which of the following names a radius?

• segment AC
• segment DB
• segment AB
• segement BC

Tags

CCSS.7.G.B.4

If the circumference of a circle is 44 π feet, what is the radius?

• 22 ft
• 44 ft
• 33 feet
• 3.14 feet

Tags

CCSS.7.G.B.4

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's approximate circumference?

• 3 m 
• 9.42 m
• 12 m
• 18.84 m

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

What is the area of this circle?

• 201.06
• 50.24
• 123.12
• 94.43

Tags

CCSS.7.G.B.4

What is the circumference of a circle with a diameter of 8 cm?

• about 35 cm

• about 25 cm

• about 16 com

• about 4 cm

Tags

CCSS.7.G.B.4

If the word problem is asking you to find the space inside the circle, which formula should you use?

• r = 1/2d
• d = 2r
• C = πd
• A = πr²

Tags

CCSS.7.G.B.4

Circumference is to circles as _____________________________ is to polygons.

• Area

• Volume

• Perimeter

• Surface Area

Tags

CCSS.7.G.B.6

Danielle wants to make a cookies for 3 friends. The radius of a cookie is 5 inches. If she wants to ice ALL 3 of the cookies, how many square inches of cookies must she cover with icing?

• 47.1 in²
• 235.5 in²
• 78.5 in²
• 15.7 in² 

what is the diameter of the inner circle

• 16 in

• 12 in

• 4 in

• 8 ft

Tags

CCSS.7.G.B.4