Test 1 - Chapter 5 Circles

Find the circumference of a circle with

a radius of 7 cm.

• 14 cm

• 49 cm

• 88 cm

• 44 cm

Find the area of a circle with a diameter of 15 cm.
  $\left(Use\ \pi=\ 3.142\right)$  

• 32.46  $cm^2$  
  

• 616.88 $cm^2$  

• 176.74  $cm^2$  
  

• 12.56  $cm^2$  
  

 A circle has an area of 124  $cm^2$  . Find the the diameter of the circle.
 $\left(Use\ \pi\ =\frac{22}{7}\right)$  

• 6.28 cm
  

• 12.56 cm
  

• 7.73

• 15.56

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

Which segment is the diameter?

• AC
• BD
• LM
• CE

find the diameter of the circle

• 14 m

• 7 m

• 14

• 3.5 m

what is this shape called

• circle

• semi circle

• moon

• triangle

what is the formula for finding area of a circle

• C = π r²

• A = π r²

• A = π r² / 2

• C = 2 π r

Shring's dining room table is round and has a radius of 4.5 feet. What is the tabletop's area?

• 63.585 ft²

• 68.345 ft²

• 64.585 ft²

• 61.345 ft²

• 3cm

• 2cm

• 4cm

• 1cm