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Translations
Reflections
Rotations
Geometry Vocabulary
Angles
100

Another name for a translation.

What is slide?

100

What is a common item we use every day that demonstrates the reflective property?

Mirror

100

Write a rule for a counterclockwise rotation of 90 degrees. (x,y) -->

X,y --> (-y,x)

100
A 2 dimensional figure with three or more sides that is closed.
What is a polygon?
100
A 90 degree angle.
What is a right angle?
200

Point A(1,1) translates (x-1, y-1). Where is A' (prime) located?

What is origin? (0,0)

200

Reflection is rigid or non rigid transformation?

Rigid

200

Write a rule for a counterclockwise rotation of 180 degrees. (x,y) -->

(x,y) --> (-x, -y)

200
A four sided polygon.
What is a quadrangle?
200
An angle that is smaller than 90 degrees.
What is an acute angle?
300

Point C(4,4):   (x, y) → (x + 7, y – 3)

what is the location of C'

C'(11,1)

300

Point W(2,4) is reflected across the equation y=-x. Where is W' located?

W'(-2,-4)

300

Write a rule for a counterclockwise rotation of 270 degrees. (x,y) -->

(y, -x)

300
One of the line segments that make up a polygon.
What is a side?
300
An angle that is bigger than 90 degrees.
What is an obtuse angle?
400

Write a rule in coordinate notation for Ray BA that moves right 4 and up 2.

BA (x+4, y+2)

400

Point G(3,3) is flipped across the equation y=x. Where is G'?

G'(3,3)

400

Triangle XYZ with vertices X(4, -1), Y(8, -2), and  
  Z(1, -8): 180° about the origin

X'(-4, 1)

Y'(-8, 2)

Z'(-1, 8)

400
The corner, or point at which line segments meet in a polygon.
What is a vertex?
400
Name the sides of Angle ABC.
Ray AB and Ray BC
500

Square RSTU with vertices R(-2, 1), S(3, 4),  
    T(6, -1), and U(1, -4): <-4,-1>

R'(-6, 0)

S'(-1, 3)

T'(2, -2)

U'(-3, -5)

500

Triangle ABC with vertices A(-3, 2), B(-1, 7),
    and C(6, 1):  x-axis

A'(-3, -2)

B'(-1,-7)

C'(6,-1)

500

Rotate triangle ABC 90 degrees clockwise.

A(1,1) B(3,5) C(2,8)

A'(1,-1)

B'(5,-3)

C'(8, -2)

500
A quadrilateral with two pairs of opposite and parallel sides.
What is a parallelogram?
500

This is the name of a ray that cuts an angle into 2 equal parts.

Angle Bisector