define i) point ii) line iii) Ray iv) Line segment v) Parallel Lines vi) Intersecting lines vii) Collinear Points viii) Angle ix) Co-interior or Conjoined or Allied Angles x) Exterior Allied Angles : Exterior Allied Angles are Supplementary
i) Point - A point is a mark of position. It has neither length nor width.
ii) Line - A line does not have fixed length with two arrow heads.
iii) Ray - A ray has only one fixed point and extend in another direction.
iv) Line Segment: A line segment is a part of a line as well as of a ray. A line segment has fixed measurement.
v) Parallel Lines -
vi) Intersecting Lines -
vii) Collinear Points - If three or more points lie on the same straight line. A,B,C and D are collinear points.
viii) Angle - Two different rays starting from the same fixed point forms a angle.
ix) Co-interior or Conjoined or Allied Angles - Co-interior angles are supplementary. <4+<5= 180 and <3+<6= 180
x) Exterior Allied Angles: Exterior Allied Angles are supplementary. <2+<7= 180 and <1+<8 = 180
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