Triangle Congruence
For two triangles to be congruent the must have what two things?
congruent sides and angles
What is the name of a line if it cuts 2 or more parallel lines?
transversal
equilateral
True or False-
A dilation of a figure means it gets bigger or smaller.
True
What is a rigid transformation?
a movement of a figure that results in a congruent figure?
Which is not a triangle congruence theorem?
a. ASA
b. SAS
c. SSS
d. AA
d. AA
That is a similarity not congruence statement.
True or false
Corresponding angles are congruent.
True
What is the name of a triangle with 2 congruent sides?
isosceles
A scale factor of 1/2 means that the figure gets bigger or smaller?
smaller
Which is not a rigid transformation.
a) dilation
b)translation
c)rotation
d)reflection
a
What does CPCTC stand for?
corresponding parts of congruent triangles are congruent.
How can you find corresponding angles using rigid transformations?
use a translation
scalene
They stay the same
Which rigid transformation is also known as a mirrored image.
reflection
Given Triangle ABC is congruent to Triangle DEF? What angles must match? (Provide all three)
B is congruent to E
C is congruent to F
Parallel lines can intersect.
True or False
false
In a right triangle, the other two angles other than the 90 must equal what when added together?
90
How can I tell if two figures are dilations or similar to each other?
angles are the same and sides are proportional.
If a figure is has coordinates (2,3) and (3,4) where with the coordinates be after a translation left 2 units.
(0,3)
(1,4)
Given Triangle ABC and DEF what side corresponds to FE in triangle ABC?
CB
2x+3=3x+4
-1=x
How can you tell if an triangle is obtuse?
Given a scale factor of 5/2 what is the new length of a side that started at 6cm?
15cm
If a point (4,7) is reflected over the y axis what is its new coordinate?
(-4,7)