Circles Review

In the equation (x-3)²+(y-2)²=16, the center of the circle is...

• (3,2)
• (-3, -2)
• (-2, -3)
• (2, 3)

Which graph corresponds to

(x+2)²+ (y-3)²=36

• A

• B

• C

• D

Write the equation of the circle graphed

• $\left(x-2\right)^2+\left(y+5\right)^2=9$

• $\left(x+2\right)^2+\left(y+5\right)=9$

• $\left(x-2\right)^2+\left(y-5\right)^2=9$

• $\left(x-2\right)^2+\left(y-5\right)^2=3$

Find the equation of the circle if the endpoints of a diameter of the circle are at (2, 6) and (-4, -2).

•  $\left(x+1\right)^2+\left(y-2\right)^2=25$  

•  $\left(x-1\right)^2+\left(y+2\right)^2=25$  
  

•  $\left(x-2\right)^2+\left(y-6\right)^2=5$  
  

•  $\left(x+4\right)^2+\left(y+2\right)^2=100$  
  

What is the measure of arc AYB

• 50
• 100
• 180
• 260

Find the measure of major arc GE.

• A

• B

• C

• D

Find the area of the shaded sector of circle O.  The radius is 6 inches and the central angle is 100°.  Express answer to the nearest tenth of a square inch.

• 9.2 sq. in.
• 10.5 sq. in.
• 31.4 sq. in.
• 38.2 sq. in.

Find the arc length.  Leave your answer in terms of π.

• 7/4π
• 7/2π
• 1/8π
• 45π

Find the given angle.

• 59°

• 78°

• 43°

• 242°

Solve for x.

• 37.5

• 11

• 118

• 15