You Look Like Me
This shape has exactly three lines of symmetry.
Equilateral triangle
True or False: In similar triangles corresponding angles are congruent.
True
These types of transformations maintain size and shape
Rigid transformations
This pair of adjacent angles equals 180
Supplementary
A 45-45-90 right triangle, can also be characterized as
An isosceles triangle
This shape has infinite lines of symmetry.
Circle
True or False: In similar triangles all corresponding sides are congruent.
False
This type of transformation changes the size of the preimage but maintains the shape
Dilation
In triangle BCE, if angle B is 41 deg, angle C is 33 deg and angle E is (10x+6) deg. Find the value of x.
x = 10
Perpendicular lines have slopes with this type of relationship
Negative reciprocals
This shape has 5 lines of symmetry, has no point symmetry and has an angle of rotational symmetry of 72 degrees.
Star
In triangle ABC, AB is 9 units, BC is 12 units and AC is 15 units. If triangle ABC is similar to triangle DEF and DE is 3 units what are the measurements of EF and FD?
EF = 4 units
FD = 5 units
This type of transformation maintains size and shape but changes orientation
Rotation
In triangle XYZ, angle X is 62 deg, and angle Y is 64 deg. What is angle Z?
54 deg
DAILY DOUBLE
Slope can be determined by finding the change in y over the change in x. It can also be rewritten using this Greek letter.
delta
DAILY DOUBLE
This type of polygon has 1 line of symmetry and 1 pair of parallel sides
Trapezoid
The acronym CPCTC stands for this phrase.
Corresponding parts of congruent triangles are congruent
DAILY DOUBLE:
A rotation about the origin 270 deg CCW is the same as this rotation CW
90 degrees
In triangle PJL, angle P is 2x, angle J is 50 deg and angle L is 3x. Find the measurement of x.
26
This is the formula for the volume of a cylinder
(pi)(r^2)(L)
These three letters have point symmetry but no lines of symmetry
N, S and Z
Triangle HGF ~ Triangle TRS. HG is 45 units, FH is 225 units. TR is 15 units and RS is 17 units. Find GF and TS.
GF = 51 units
TS = 75 units
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True or False:
A triangle can be made of more than one obtuse angle.
False
A theorem or postulate used to prove two lines parallel
Converse of:
Corresponding Angles Postulate
Alternate Interior Angles Theorem
Same-Side interior Angles Theorem
Alternate Exterior Angles Theorem