area and circumference

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

Sally is using a compass to navigate back to base camp. The compass has a radius of 18 millimeters. What is the compass's circumference?

(a)  

Tags

CCSS.7.G.B.4

What is the diameter?

• 8
• 16
• 10
• 4

Tags

CCSS.7.G.B.4

Sophia has a round trampoline in her yard. The website where she bought the trampoline said it has a circumference of 25.12 feet. What is the diameter?

(a)  

Tags

CCSS.7.G.B.4

Tommy wanted to hang a circular poster on his wall. The space the poster takes up is the _____________.

• Area

• Circumference

• Radius

• Diameter

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

• 31.25 m²
• 29.55 m²
• 30.36 m²
• 28.26 m²

Tags

CCSS.7.G.B.4

When is Mr. Wrights birthday?

• May 16

• May 13

• June 5

• June 3

• May 11

What is the circumference?

• 36

• 18π

• 108π

• 113.04

Tags

CCSS.7.G.B.4

Find the circumference (to the nearest whole number)

• 88 in
• 44 in
• 116 square in
• None of the above

Tags

CCSS.7.G.B.4

Johnny wrapped a piece of string around a can of soup. The length of the string is the ________________.

• Area

• Circumference

• Radius

• Diameter