Dilations
Similarity
tranfomrations
Dilation Challenge
Random
100
True or False? Dilations always make a figure smaller.
False
100
These two things must be true about similar figures
1) corresponding sides are proportional
2) corresponding angles are equal
100
what is the transformation that produces a slide?
translation
100
True/False
Dilations increase the measure of angles.
False
100
this animl is famous for riding around with the "gang" solving mysteries
Scoobert Doobert
200
A dilation might change the size of a figure's side lengths but never the _______.
angles
200
Any one or more of these moves can be used to prove similarity. (list at least two moves)
What are
1) Translations
2) Rotations
3) Reflections
4) Dilations
200
what is the transformation that produces a turn?
rotation
200
True/False
Dilations ALWAYS increase the length of line segments or figures.
FALSE.
Explain why!
200
what is the mascot for the university of Arizona
dumpster cat
300
Dilations always produce ___________ figures.
similar
300
True/False
Triangle D has 90 degree, 30 degree, and 60 degree angles. Triangle E has all 60 degree angles. They are similar.
FALSE
Explain why!
300
what is the transformation that produces a mirror image?
reflection
300
You have two similar triangles. Triangle MNK has the following side lengths: MN = 2 units, NK = 5 units and MK = 3 units. Triangle MNK has been dilated to get Triangle M’N’K’. If you know that the length of M’N’ = 10 units, then the lengths of N’K’ and M’K’ are ______ and _______.
25 and 15
300
In this popular 2010's song this sing ask their listener to shine bright like a what?
diamond
400
What two things do we need when describing dilations?
1) Center of Dilation
2) Scale Factor
400
True or false: Similar figures are always congruent.
False. Similar figures are sometimes congruent
400
what is the transformation that produces an largement or reduction?
dilation
400
If a figure has coordinates S (-4, -2), T (-3, 1) and U (-2, -2), what would the new coordinates be if it was dilated by 3, with (0,0) being the center of dilation?
S’ (-12, -6), T’ (-9, 3), and U’ (-6, -6)?
400
who is this famous disney character that is small, blue, and causes mischeif?
snitch
500
How will dilating a figure with a scale factor of 1/3 change a figure?
it will make the figure 3 times smaller from the center of dilation (or reduced/smaller figure)
500
Dilations can result in a congruent and similar figure if their scale factor is this number.
1
500
what is the largest organ on you body?
skin
500
If a figure has coordinates A (-6, -12), B (-4, 4) and C (-6, -10), what would be the new coordinates of C if the figure was dilated by 1/2?
(-3, -5)?
500
how many pets does mr herrera have?
0 :(