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Geom q4 (1.15-1.17)
Question | Answer |
---|---|
circle | a closed curve in a plane all of whose points are equally distant from a fixed point in the plane called the center |
circumference | the perimeter of a circle |
semi-circumference | one half the length of the circumference |
diameter | a line through the center with its ends on the circle |
radius | a line joining the center with any point on the circle |
chord | any straight line whose ends are on the circle |
arc | any portion of a circle |
semicircle | arc which is half of a circle |
quadrant | arc which represents a quarter of a circle |
congruent | when two plane figures have the same size and shape and can be made to coincide |
corresponding or homologous | angles and sides that would match in superposition |
equal, congruent | 2 interchangeable words for the same |