Circles Practice Test

Find the area of the circle with radius of 10 feet.

• 100 $\pi$

• 25 $\pi$

• 400 $\pi$

• 20 $\pi$

Find the circumference of the circle with a diameter of 8 feet.

• 6 $\pi$

• 8 $\pi$

• 16 $\pi$

• 64 $\pi$

Find the area of the sector if the arc measures  $80\degree$  and has a radius of 11.22.

• 28 $\pi$

• 5 $\pi$

• 88 $\pi$

• 16 $\pi$

Find the length of the arc if the arc measures  $60\degree$  and has a radius of 7.5.

• 2.5 

• 3.93

• 7.5

• 7.85

A circle has a center of (6,-4) and a radius of 12 units. Which is the equation of the circle?

• $\left(x-6\right)^2+\left(y+4\right)^2=144$

• $\left(x+6\right)^2+\left(y-4\right)^2=12$

• $\left(x-6\right)^2+\left(y+4\right)^2=12$

• $\left(x+6\right)^2+\left(y-4\right)^2=144$

1.Find the measure of arc AB

• 360

• 60

• 120

• 240

What is 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

Tags

CCSS.HSG.GPE.A.1

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

• (-2,41)

• (-2,4)

• (2,-4)

• (2,41)

Tags

CCSS.HSG.GPE.A.1

What is the radius of the circle

(x+7)²+(y-2)²=144?

• 7

• 12

• 24

• 144

Tags

CCSS.HSG.GPE.A.1

Which points lie on the circle represented by the equation (x+2)² + (y+2)² = 5²

• (-2, -2)

• (6,4)

• (8,8)

• (-6, -5)

• (-2, -7)

Tags

CCSS.HSG.GPE.A.1