Parts Of A Circle

Question 1

A set of all points on a plane at a given distance from a fixed point called center

Answer 1

Circle

Question 2

Segment from the center to any point on the circle

Answer 2

Radius

Question 3

Segment that joins any two points of the circle

Answer 3

Chord

Question 4

Chord that passes through the center

Answer 4

Diameter

Question 5

Any part of a circle

Answer 5

Arc

Question 6

The shortest arc connecting two endpoints on a circle

Measure of this arc is less than 180

Answer 6

Minor Arc

Question 7

Longest arc connecting 3 points.

More than 180 and equal to 360 minus the measure of the minor arc with the same endpoints

Answer 7

Major arc

Question 8

Arc with endpoints lie on the diameter

Measures 180

Answer 8

Semicircle

Question 9

Angle formed by two radii and its vertex is the center of the circle

Answer 9

Central Angle

Question 10

Angle formed by two chords with its vertex on the circle

Answer 10

Inscribed Angle

Question 11

Line that intersects the circle at two points

Answer 11

Secant

Question 12

Line that touches the circle at exactly one point

Answer 12

Tangent

Question 13

A line, ray or segment that is tangent to two circles in the same plane

Answer 13

Common Tangent

Question 14

Always perpendicular to the tangent line

Answer 14

Point of Tangency

Question 15

The distance around the circle

Answer 15

Circumference