10A and 10B Review

which segment above represents the radius

• AC

• AB

• LM

which segment above represents the diameter

• BC

• AC

• BD

• LM

find the diameter of the circle

• 14 m

• 7 m

• 14

• 3.5 m

Tags

CCSS.7.G.B.4

What is the formula for circumference of a circle given the diameter?

• C = π r
• C = 2 π r
• C = π d
• C = 2 π d

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

A circle has a radius of 23 feet. What is the diameter of the circle?

• 23 feet

• 46 feet

• 1/2 feet

• none of the above

Tags

CCSS.7.G.B.4

What is the circumference of this circle ?

• 3.14 cm 
• 37.68 cm
• 24 cm
• 68.4 cm

Tags

CCSS.7.G.B.4

A DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference?

• c = 15π

• C = 2π15

• c = 15 ÷ π

• c = 7.5π

Tags

CCSS.7.G.B.4

What is the perimeter of this semi circle? (Use 3.14 = π and round to the nearest tenths place)

• 18.5
• 11.3
• 20.3
• 22.6

Tags

CCSS.3.MD.D.8

If the circumference of a circle is 37.7 cm , find the radius.

• r=12cm

• r=5cm

• r=6cm

• r=10cm

Tags

CCSS.7.G.B.4