Unit 10 Circles

Radius

Center

Diameter

Origin

Circumference

Perimeter

Radius

Diameter

Circumference

Center

Radius

Diameter

Center

Circumference

Radius

Diameter

A line segment that connects the center to the circumference

The point in the middle of the circle

A line segment that passes through the center

The distance around the circle

A line segment that connects the center to the circumference

The point in the middle of the circle

A line segment that passes through the center

The distance around the circle

A line segment that connects the center to the circumference

The point in the middle of the circle

A line segment that passes through the center

The distance around the circle

Chord

Diameter

Radius

Inscribed Angle

Chord

Minor arc

Secant

Diameter

Tangent Line

Secant

Chord

Diameter

$90\degree$

$360\degree$

180

$\pi$

$\frac{\pi}{2}$

$2\pi$

 $\frac{\pi}{2}$  

 $\frac{3\pi}{2}$  

 $\frac{\pi}{3}$   

 $\pi$  

 $\frac{\pi}{3}$  

 $\frac{\pi}{4}$  

 $\pi$  

 $\frac{3\pi}{4}$  

 $\frac{4\pi}{3}$  

 $30\degree$  

 $45\degree$  

 $60\degree$  

 $90\degree$  

 $120\degree$  

 $150\degree$  

 $270\degree$  

 $225\degree$  

 $180\degree$