Sections 1.4- 1.7. By: Emily and Becca. Perpendicular Lines- Two lines that intersect to form a right angle. Parallel Lines- Two coplanar lines that do not intersect. 1.4 Geometry using Paper Folding. Segment Bisector- A line that divides a segment into two congruent parts.
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By: Emily and Becca
Perpendicular Lines- Two lines that intersect to form a right angle.
Parallel Lines- Two coplanar lines that do not intersect1.4 Geometry using Paper Folding
Segment Bisector- A line that divides a segment into two congruent parts.
Conjecture- A statement that you believe to be true. An educated guess based on observations
Midpoint- the point where a bisector intersects a segment.
Perpendicular Bisector- A bisector that is perpendicular to a segment
Angle Bisector- A ray or line that divides an angle into two congruent angles1.4 Continued
Inscribed Circle- A circle that is inside a triangle that just touches the three sides.
Circumscribed Circle- A circle that is outside the triangle and contains all three vertices.1.5 Special Points in Triangles
Translation- In a Translation, every point of a figure moves in a straight line, and all points move the same distance in the same direction. The paths of the points are always parallel1.6 Continued
Reflection- A transformation in which every point of the preimage is moved across a line known as the mirror line so that the mirror is the perpendicular bisector of the segment connecting the point and its image1.6 Continued
Transformation Notation: T(x,y)= (x+2,y+4)
Horizontal translation of H units: H(x,y)= (?,?)
Vertical translations of V units: V(x,y)= (?,?)
Reflection across the X axis: M(x,y)= (?,?)
Reflection across the Y axis: N(x,y)= (?,?)