Circles Equations and Tangents

Find the value of x

• 4

• 18

• 3

• 9

• A
• B
• C
• D

Solve for x.

• 29

• 33

• 41.5

• 50

What is the measure of angle 2?

• 80

• 45

• 125

• 40

Find the value of x

• 10

• 15

• 12

• 19

What is the diameter?

• 8

• 16

• 10

• 4

What is the radius?

• 18

• 72

• 38

• 14

QS is a tangent to circle P.  Find QS.

• 144

• 14

• 12

• 13

Write the standard equation of the circle with the given center and radius; center (0,0) and radius: 3

• x²+y²=3

• x²+y²=6

• x²+y²=9

The diameter of a circle has length 12. The center is at (-5, 2). Give the equation of the circle.

• (x - 2)² + (y + 5)² = 36

• (x - 5)² + (y + 2)² = 6

• (x + 5)² + (y - 2)² = 36

• (x + 2)² + (y - 5)² = 6