12-4

Question 1

A segment of a secant with at least one endpoint on the circle

Answer 1

secant segment

Question 2

A region inside a circle bounded by two radii of the circle and their intercepted arc.

Answer 2

sector of a circle

Question 3

A region inside a circle bounded by a chord and an arc

Answer 3

segment of a circle

Question 4

An arc of a circle whose endpoints lie on a diameter.

Answer 4

semicircle

Question 5

A segment or arc subtends an angle if the endpoints of the segment or arc lie on the sides of the angle

Answer 5

subtend

Question 6

A line that is in the same plane as a circle and intersects the circle at exactly one point

Answer 6

tangent of a circle

Question 7

two coplanar circles that intersect at one point. if one circle is contained inside the other, they are internally tangent. If not, they are externally tangent

Answer 7

tangent circles

Question 8

A segment of a tangent with one endpoint on the circle

Answer 8

tangent segment