Properties
All rigid motions map lines to _____, segments to _________, and rays to _____.
All rigid motions map lines to lines, segments to segments, and rays to rays.
Measure the angles of <BEC and <AED
138 degrees
Find the measure of <CFE and <BEF
60 degrees
Ms. Sanchez's first name
Mabelle
All rigid motions preserve _________ and ________ measurements.
All rigid motions preserve distance and angle measurements.
What rigid motion can you use to map and BEC and angle AED?
Rotation of 180 about point E
What is the relationship between angle CFE and BEF?
Alternate Interior Angles
Ms. Sanchez has ____ siblings
Ms. Sanchez has 2 siblings
Rotation of a line _____ about a point not on the line produces a ___________ line.
Rotation of a line 180 about a point not on the line produces a parallel line.
What do we know about the measures of vertical angles?
They are congruent
What is the measure of angle FEB and GFD?
60 degrees
Ms. Sanchez played (sports) ______ and _______ in high school
Ms. Sanchez played soccer and volleyball in high school
Rotation of a line _____ about a point that does lie on the line produces the ________ line.
Rotation of a line 180 about a point that does lie on the line produces the same line.
Exercise 2: In the diagram below find the value of x
x= 18
What is the relationship between angle FEB and GFD?
Corresponding Angles
Ms. Sanchez has a (color) _________ car.
Ms. Sanchez has a white car.
Translation of a line not along the line produces a __________ line.
Translation of a line not along the line produces a parallel line.
Find the measure of angle <ZST
<=48
Thus <FEB = <GFD because
a rigid motion has been found that maps <FEB onto <GFD
Ms. Sanchez was born in (city) _________, Dominican Republic.
Ms. Sanchez was born in Moca, Dominican Republic.