definitions
Finding Circumference
inscribed angles
Secant and Secant outside angle
tangent secant inside
100

The segment from the center to a point on the circle

radius

100

If radius is 3

18.8

100

if angle is 100, arc?

arc = 200

100
Major arc  = 90

Minor arc =30

angle =30

100

Arc 1 = 160

Arc 2 = 50

angle = 105

200

The segment that passes through the center connecting 2 points on the circle

Diameter

200

Radius is 5

31.4

200

if arc is 45

angle is 22.5

200

major arc = 210

minor arc = 40

35

200

arc 1 = 114

Arc 2 = 58


angle - 86

300

the point equidistant from each point on the circle

Center

300

radius is 4

25

300

if arc is 140

angle is 70

300

major arc = 105

minor arc = 45

angle = 30

300

arc 1 = 40

arc 2 = 80

angle = 60

400

the segment connecting 2 points on a circle

chord

400

radius is 50

314

400

if angle is 30

arc is 60

400

major arc = 200

angle = 60

minor arc = 80

400

Arc 1  = 38

angle = 70

arc 2 = 102

500

to find the perimeter of the circle you use

circumference

500

diameter is 31.8

100

500

if angle is 98

arc = 196

500

Minor arc = 120

angle = 60

major arc = 240

500

arc 1 = 156

angle = 94

arc 2 = 32