Vocabulary
Lines that never touch
What are parallel lines?
What does it mean for 2 shapes to be congruent?
same shape, same size
this transformation can be done clockwise or counterclockwise
What is rotation?
cutting a segment in half at 90 degrees
What is a perpendicular bisector?
lines that cross.
What are intersecting lines?
the congruence postulate that has a pair of corresponding congruent sides and a pair of corresponding included angles
What is SAS?
this transformation flips a figure
What is reflection?
line that divides a shape exactly in half
What is a line of symmetry?
Lines that intersect to form right angles.
What are perpendicular lines?
the congruence postulate that has 3 pairs of corresponding congruent sides
this transformation slides a shape across a directed line segment
What is translation?
Triangle JKL is congruent to Triangle PQR. Which side corresponds to KL?
What is QR?
A lines that intersects two other lines.
What is a transversal?
Property that shows why a shared side of 2 shapes is congruent
What is reflexive property?
type of transformation that preserves shape and size of a shape
What is rigid transformation?
a five sided closed figure
What is a pentagon
What is the difference between a ruler and a straightedge?
A ruler is used to measure, whereas a straightedge is used only to create a straight line
A triangle that has 3 congruent sides
What is an equilateral triangle?
the congruence postulate that has a pair of corresponding congruent angles and a pair of corresponding included sides
What is ASA?
type of transformation that does not preserve size and shape
What is dilation?
Draw a pair of triangles that are congruent by AAS.
many possible answers