Dilations
Triangles
Algebra
The Proportions
100
Which dilation is an enlargement?
A. 0.5 B. -0.77
C. 5 D. 0.95
C
100
Triangle ABC If
m<A=50o and m<C = 65o, find m<B.
65o
100
Solve for x.
x=11
100
TRUE or FALSE?
Equivalent Fractions are always proportional.
TRUE
200
What is the scale factor from triangle PRQ to triangle SUT?
k= 3/2
200
Find DF.
9
200
Solve for y.
y=9
200
4/7 = 16/x
x = 28
300
Find the new coordinate of the image given the pre-image.
D(2, 4), F(8, 0), G(0, 6), k = 1/2
D'(1,2) F' (4,0) G' (0,3)
300
Solve for x.
x = 6
300
Solve for x.
8
300
Given the similar triangles, solve for x.
x = 6.4
400
Find the scale factor from image C to image D.
k = 1/5
400
Are these triangles similar? Explain.
Not similar.
60+79+41=180
400
Solve for x.
5.4
or 5 and 2/5
400
Given the similar triangles, solve for y.
y =10.24