CH5 CIRCLE- CIRCUMFERENCE AND AREA

What is π ? (Best Choice)

• The ratio of the circumference of any circle to its diameter.
• Exactly 3.14
• Exactly 3.1415
• Exactly 3.141593

Tags

CCSS.7.G.B.4

Find the area of the circle with the radius 48 mm.

Use 3.14 for π.

Round to the nearest tenth if necessary.

• 7,234.56 mm²

• 2,216.46 mm²

• 7,934.59 mm²

• 7,314.22 mm²

What is the circumference of a circle with a radius of 21 cm?

• 131.9 cm

• 121.9 cm

• 111.9 cm

• 141.9 cm

Find the radius of circle given the circumference is 43.988 cm.
Using  $\pi=3.142$  

• 7

• 8

• 9

• 10

Find the diameter of the circle if the area circle is 153.958 $cm^2$  .
Using  $\pi=3.142$  

• 13

• 14

• 15

• 16

Find the area of circle, if the circumference is 50.272 cm.
Using  $\pi=3.142$  

• 200.089

• 201.088

• 202.808

• 202.809

Find the area of circle given that the circumference is 69.124cm 
Using  $\pi=3.142$  

• 370.123

• 308.241

• 380.182

• 401.379

Find the circumference if the area of circle is 254.502 $cm^2$  .
Using  $\pi=3.142$  

• 37.704

• 43.988

• 50.272

• 56.556

Find the circumference if the area of circle is 452.448 $cm^2$  .
Using  $\pi=3.142$  

• 75.408

• 86.332

• 91.504

• 97.611

Find the circumference if the area of circle is 530.998  $cm^2$  
Using  $\pi=3.142$  

• 69.808

• 74.007

• 81.692

• 98.301