1	2	3	4
100	100	100	100
200	200	200	200
300	300	300	300
400	400	400	400

Final Question

What is the name of the Arc that has a meausre greater then 180 degrees?

(the red section of the circle)

What is the name of the Arc that has a meausre greater then 180 degrees?

(the red section of the circle)

Major Arc

What is line AB?

a Secant.

What is the distance around a circle called?

Circumference

Is line d or line r the diameter of the circle?

What is the name of the Arc that has a meausre less then 180 degrees?

(the red section of the circle)

What is the name of the Arc that has a meausre less then 180 degrees?

(the red section of the circle)

Minor Arc

Circles that share the same cen are called what?

concentric circles

describe a tangent line.

goes thru point of tangency
perpendicualr to radius

What word describes the relationship between the circles?

Congruent

What is an arc of a circle?

A section of the circumfrence?

Define this shape...title? and definiton?

a circle

a round plane figure whose boundary (the circumference) consists of points equidistant from a fixed point (the center).

cite: Google

Is line d or line r the radius of the circle?

what is the arc length in this picture?

Define central angle.

A central angle is an angle whose apex (vertex) is the center O of a circle and whose legs (sides) are radii intersecting the circle in two distinct points A and B thereby subtending an arc between those two points whose angle is (by definition) equal to that of the central angle itself.

cite: Google

what is the degree of a semi circle?

180

What is a chord?

A line that links two points on a circle or curve.

the largest circle that can be drawn inside a polygon is called what?

an inscribed circle

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