WorksheetsSimilarities
Total questions: 10
Worksheet time: 9mins
Triangle DEF is a dilation of triangle ABC
with a scale factor 2. The largest angle in
triangle ABC measures 82 ̊. What is the
largest angle measure in triangle DEF?
41 degrees
82 degrees
123 degrees
164 degrees
Based on what you know about
corresponding angles and sides in similar
polygons, are these two figures similar?
Yes, the corresponding sides have the same scale factor
No, the corresponding sides to not share a scale factor
Are these two triangles similar?
yes
no
Which triangle is not similar?
A
B
C
D
What do you
need
to prove the triangles
are similar?
One corresponding side
One corresponding angle
One corresponding side and
angle
Two pairs of congruent angles
The two triangles shown are similar. What is the
value of cd ?
1.2 or
0.83 or
2.5 or
0.4 or
Triangle A has side lengths 3, 4, and 5.
Triangle B has side lengths 6, 7, and 8.
Are these similar triangles?
Yes the quotients of the sides have the same ratio
No the quotients of the sides do not have the same ratio
What is the quotient of the medium side divided by the smaller side?
1.5
1.25
2.25
0.44
These two trapezoids are similar. What is the measure of angle L?
103
125
55
77
These two quadrilateral are
similar. Which transformation would
not help to prove it?
Translation
Rotation
Reflection
Dilation
