

Similar Polygons
Presentation
•
Mathematics
•
9th - 12th Grade
•
Medium
+1
Standards-aligned
Chris Russo
Used 192+ times
FREE Resource
5 Slides • 12 Questions
1
Similar Polygons

2
Corresponding Parts of Similar Triangles
Corresponding angles of similar triangles are congruent.
Corresponding sides of similar triangles are proportional.
The smaller of two similar triangles can be drawn inside the larger triangle.
3
Multiple Choice
ΔABC∼ΔDEF is the same a saying which of the following
Triangle ABC is congruent to triangle DEF.
Triangle ABC is similar to triangle DEF
Triangle ABC is equal to triangle DEF
None of the statements above are correct.
4
Multiple Choice
If ΔDEF∼ΔGHI , then ∠D is congruent to which angle?
∠H
∠I
∠G
∠F
5
Multiple Choice
Look at the two triangle in the picture. The two triangles are similar. Select the correct similarity statement.
ΔCBA∼ΔPQR
ΔABC∼ΔQRP
ΔABC∼ΔPQR
ΔBCA∼ΔRQP
6
Multiple Choice
Look at the two triangle in the picture. The two triangles are similar. Select the correct similarity statement.
ΔACB∼EFD
ΔCBA∼ΔDEF
ΔABC∼ΔDEF
None of the statements above are correct.
7
Finding the Missing Parts of Similar Figures
Find the missing side length by using a proportion.
Remember: cross multiply to solve a proportion.
8
Multiple Choice
Look at the picture. Find the missing side length. Select your answer below.
A
B
C
D
9
Multiple Choice
Look at the picture. Find the missing side length. Select your answer below
A
B
C
D
10
Multiple Choice
Look at the picture. Find the value of x. Select your answer below
A
B
C
D
11
Multiple Choice
Look at the picture. Find the value of x. Select your answer below
A
B
C
D
12
Solving Shadow Problems
Solve shadow problems like you did when find the missing side length of a similar triangle.
13
Multiple Choice
Look at the picture. Find the value of x.
14 ft
28 ft
10 ft
18 ft
14
Multiple Choice
Look at the picture. Find the value of x.
40
130
20
169
15
Finding Scale Factor with Similar Figures
16
Multiple Choice
Find the scale factor of ΔRPQ to ΔUST .
32
2
23
812
17
Multiple Choice
Find the scale factor of ΔACT∼ΔGOD .
41
14
128
28
Similar Polygons

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