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WorksheetsScale Factor and Similarity Practice
Total questions: 15
Worksheet time: 15mins
The polygons in each pair are similar. Find the scale factor of the smaller figure to the larger. (smaller on top)
3 : 10
1 : 2
7 : 10
4 : 5
The polygons in each pair are similar. Find the scale factor of the smaller figure to the larger. (smaller on top)
7 : 9
1 : 6
1 : 3
1 : 2
The polygons in each pair are similar. Find the scale factor of the smaller figure to the larger. (smaller on top)
1 : 6
5 : 6
1 : 2
7 : 9
The polygons in each pair are similar. Find the missing side length.
30
28
33
20
Solve for x. The polygon in each pair are similar.
6
10
12
11
State if the triangles in each pair are similar. If so, state how you know they are similar and complete the similarity statement.
similar; SSS similarity; ΔSUR
similar; SSS similarity; ΔURS
similar; AA similarity; ΔURS
not similar
State if the triangles in each pair are similar. If so, state how you know they are similar and complete the similarity statement.
similar; SSS similarity; ΔTML
not similar
similar; SSS similarity; ΔMTL
similar; SAS similarity; ΔMTL
State if the triangles in each pair are similar. If so, state how you know they are similar and complete the similarity statement.
similar; SAS similarity; ΔCBD
similar; AA similarity; ΔBCD
not similar
similar; AA similarity; ΔCBD
Solve for x. The triangles in each pair are similar.
5
7
8
12
The polygons in each pair are similar. Find the missing side length.
23
12
57
35
Solve for x. The polygon in each pair are similar.
11
9
5
6
If CDEF is the original preimage and STQR is the new image, what is the scale factor?
4/3
6/8
3/4
8/6
Not similar.
The two figures are similar. Solve for x.
Type your answer as a number with no spaces or punctuation.
(a)
The two figures are similar. Solve for z.
Type your answer as a number with no spaces or punctuation.
(a)
Angle N is congruent to Angle (a)
(Type the letter only. No spaces or punctuation)
