Circles Requiz (R)

what is the circumference of this circle ?

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

Find the circumference (to the nearest whole number)

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

Find the area of the circle

• 43.96
• 153.86
• 87.82
• 307.72

What is the area of this circle?

• 8322.13
• 1134.11
• 4536.46
• 1267.09

What is the radius of the circle
(x+7)²+(y-2)²=144?

• 7
• 12
• 13

What is the center of the circle with this equation is (x+2)²+(y-4)²=41?

• (2,-5)
• (-2,4)
• (2,-4)
• (-2, -4)

What is the equation for this circle?

• (x+1)+(y+1)=9
• x²+y²=9
• x+y=9

Write the equation of the circle.

• (x+1)² + (y +1)² = 3
• (x+1)² + (y -1)² = 3
• (x+1)² + (y +1)² = 9
• (x-1)² + (y -1)² = 9

Find the arc length of the sector that is in BOLD. Round your answer to the nearest tenth.

• 8.7 m

• 7.9 m

• 3.9 m

• 11.8 m

What is the area of the shaded sector? Round your answer to the nearest hundredth.

• 13.96

• 139.56

• 27.91

• 558.22