PARTS OF A CIRCLE Flashcards
DEFINED AS THE SET OF ALL POINTS EQUIDISTANT FROM A FIXED POINT CALLED “THE CENTER”
circle
a line segment connecting a point on the circle to its center
radius
a line joiining two points on the circle and passing through the center
diameter
a sector of a circle formed by any two points on the circumference
arc
having a measure of LOWER than 180 degrees, has only two endpoints
minor arc
an arc having a measure of greater than 180 degres with three endpoints
major ar
an arc having a measure of exactly 180 degrees
semicircle
an angle with the vertex at the center of the circle subtended by an arc whose endpoints are on the circle
central angle
region bounded by an arc and two radii of the circle
sector of a circle
a region bounded by an arc and the segment joiining its endpoints
segment of a circle