1. 9.1 Translation Vectors January 20, 2012
9.1 Translation using Vectors Isometry: transformation that preserves length & angle
measure
(congruence transformation)
Image: new figure
Preimage: original figure
Translation: slides every point the same distance
Translation Theorem: A translation is an isometry.
B'
B
ABC ≅ A'B'C'
A' C'
A C
Vector: a quantity that has both direction and magnitude (size)
Vector FG: FG Terminal (ending)
Point: G
G
Initial (starting)
Point: F vertical component
F
horizontal component
Component Form: horizontal & vertical components 5,2
HW pg. 576 #428 evens
HW pg. 576 #428 evens 1
