Unit 6C

What is the center of this circle?

• (1,2)

• (1,1)

• (2,1)

• (5,10)

What is the radius of this circle?

• 15

• 30

• 2

• 4

What is the diameter of this circle?

• 15

• 30

• 2

• 4

What is the equation of this circle?

• (x-1)^2+(y-2)^2=4

• (x+1)^2+(y+2)^2=4

• (x-2)^2+(y-1)^2=4

• (x-5)^2+(y-10)^2=225

What is the point (-1,2) on this circle?

• Yes

• No

What is the area of this circle? (Use 3.14 for pi) DON'T ROUND

• 12.56

• 13

• 12

• 39.4384

What is the circumference of this circle? (Use 3.14 for pi) DON'T ROUND

• 12.56

• 13

• 12

• 39.4384

Find the area of the shaded sector. (Use 3.14 for pi) ROUND TO THE NEAREST HUNDREDTHS.

• 33.49

• 37.25

• 33

• 105.17

A circle has a circumference of 31.4 feet. Find the radius of the circle. (Use 3.14 for pi) DON'T ROUND

• 5

• 10

• 78.5

• 246.49

A car has 18 inch diameter wheels. If the wheel revolves (rotates) 6 times after the brakes are applied, the stopping distance would be approximately how many inches. (Use 3.14 for pi) DON'T ROUND

• 339.12 inches

• 339 inches

• 113.04 inches

• 1,017.36 inches