7th Enr Math Circles Area

A circular pie has an area of 706.5 cm². What is the RADIUS of the pie? Round to nearest whole number. Don't forget to label.

Tags

CCSS.7.G.B.4

A circular table top has an area of 324 square inches. What is the measurement of the RADIUS of the table top in inches? Round to the nearest hundredth. Don't forget to label.

Tags

CCSS.7.G.B.4

The area of a circle is 12.56 yd². What is the circle's DIAMETER? Round to the nearest whole number.

Tags

CCSS.7.G.B.4

What is the DIAMETER of a circle if its area is 360 in² . Round to the nearest hundredth. Don't forget to label.

Tags

CCSS.7.G.B.4

What does "circumference" mean?

• Space a circle takes up
• Distance around a circle
• Line from one side of a circle to another
• Line from center of circle to side

Tags

CCSS.7.G.B.4

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

• 
  

  $C\ =\ \pi r$

• $c\ =\ \pi\left(2r\right)$

• $c=\pi d$

• $c\ =\ \pi\left(2d\right)$

Tags

CCSS.7.G.B.4

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

• 
  

  $c\ =\ \pi r$

• $c\ =\ \pi\left(2r\right)$

• $c\ =\ \pi d$

• $c\ =\ \pi\left(2d\right)$

Tags

CCSS.7.G.B.4

What is the circumference?

• 36
• 18pi
• 108pi
• 36pi

Tags

CCSS.7.G.B.4

Steven purchases a bowl. The diameter of the bowl is 14 cm. What is the circumference of the bowl?

• 28 cm
• 43.98 cm
• 87.96 cm
• 7 cm

Tags

CCSS.7.G.B.4

Find the circumference of a circle with a radius of 12.5 mm.

• 37.68mm
• 18.84mm
• 78.54mm
• none of the above

Tags

CCSS.7.G.B.4