TRUE / FALSE
Similar triangles have congruent corresponding angles.
TRUE
Triangle ABC ~ Triangle DEF. If m<C = 65, find m<F.
65
5
Find the image of (-2, 6) after a dilation of 2.
(-4, 12)
Yes by AA
Corresponding means...
same position / matching
Triangle ABC ~ Triangle DEF. If m<C = 50 and m<D = 40, find m<B.
90
Find DF.
9
Find the image of (-3, 4) after a dilation of 4.
(-12,16)
Yes by SAS. Ratio = .6
Corresponding sides in similar triangles are in ______.
Proportion
80
6
Find x.
x = 5
Not similar.
Find the ratio of Triangle XYZ to Triangle DEF
1:2 or 1/2
Solve for x.
x = 7
8
A(7, -4) is transformed by (x,y)→(x+1,y-2). What is A'?
A'(8, -6)
Not similar.
What is the ratio from the big triangle to the small triangle?
4:1
Find m<D.
m<D = 85
5.4
State a specific sequence of transformations that took ABC to A"B"C".
Translation (Right & Down) then a Reflection over the y-axis.
Yes by SSS. (ratio = 1.3)