Circles Review

What is the equation of a circle with radius 6 and center (-2, 7)?

• (x+2)² + (y-7)² = 6

• (x-2)² + (y+7)² = 6

• (x-2)² + (y+7)² = 36

• (x+2)² + (y-7)² = 36

Tags

CCSS.HSG.GPE.A.1

What is 225  degrees in radians? 

• 7π/4
• 5π/4
• 3π/4
• 5π/3

Tags

CCSS.HSF.TF.A.1

What are possible measurements for arc QP and RN?

• A

• B

• C

• D

Tags

CCSS.HSG.C.A.2

Which graph corresponds to

(x+2)²+ (y-3)²=36

• A

• B

• C

• D

Tags

CCSS.HSG.GPE.A.1

Find the center of the circle if the endpoints of a diameter of the circle are at (-9, -4) and (2, 9).

• $\left(-7,\ 5\right)$

• $\left(2\frac{1}{2},\ -2\frac{1}{2}\right)$

• $\left(-3\frac{1}{2},\ 2\frac{1}{2}\right)$

• $\left(-4\frac{1}{2},\ 3\frac{1}{2}\right)$

Tags

CCSS.HSG.GPE.A.1

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

Convert

 $\frac{2\pi}{9}$  to degrees.

•  $40\degree$  

•  $100\degree$  

•  $55\degree$  

•  $125\degree$  

Tags

CCSS.HSF.TF.A.1

What is the arc length of AB?

• $15\pi$

• $\frac{15}{2}\pi$

• $\frac{25}{10}\pi$

• $\frac{75}{2}\pi$

Tags

CCSS.HSG.C.B.5

If the circumference of the circle is 52 what is the length of arc AC?

• 26

• 13

• 17

• 104

Tags

CCSS.HSG.C.B.5

Polygon MNQP is a square. If the radius of the circle is 5 cm, what is the length of QR?

• 10 cm

• 2.5 cm

• $5\sqrt{3}$

• $5\sqrt{5}$

Tags

CCSS.HSG.C.A.2