Vocabulary
a flat surface with no thickness. It contains many lines and extends without end in the directions of all its lines
What is a plane
Four-sided figure
What is a Quadrilateral
H(-1,1), I (1,4), J(1,3)
What is H(2,-1), I(4,2), J(4,1)
(-1, 2) 90 degrees about the origin
What is (-2, -1)
Triangle ABC A(2,0), B (6,0), C(2, -6); x=1
What is A'(0,0), B'(-4,0), C'(0,-6)
Sum of two angles is 180 degrees
What are supplementary angles
No Congruent Sides
What is scalene
H(0,0), I(-3,-1), J(-1, -2)
What is H(3,-2), I(0, -1), J(2,-4)
(-4,-4) 180 degrees about the origin
What is (4,4)
Triangle KLM :K(-1,1), L(3,2), M(0,3); y =-1
What is K(-1, -3), L(3, -4), M(0,-5 )
Vertex- Plural Form
What are Vertices
shapes with all sides and all angles congruent
What is a regular polygon
H(-1,-2), I(0,1), J(1, -2)
What is H(2, -4), I(3, -1), J(4,-4)
(1,6) 360 degrees about the origin
What is (1,6)
A real-life example of a reflection
A figure can rotate 180 degrees and the image matches the original figure
What is rotational symmetry
Formula to find the perimeter of a regular hexagon
What is 6(s)
H(-4,3), I(-2,0), H(-4,1)
What is H(-1, 1), I(1,-2), J(-1,-1)
(5,-6) 270 degrees about the origin
What is (-5, 6)
Triangle WXY W(-1,-1), X(0,0), Y(-5,0); y = 2
lines that do not lie on the same plane
What are skew lines
Shape with 15 sides
What is a pentadecagon
In the game of chess, the move of this piece has a translation of T<1,-2>
What is a knight
(2,1) 90 degrees clockwise about the origin
What is (2, -1)
When one half is a mirror of the other half a figure has this.
What is reflectional symmetry