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WorksheetsIntro to Similar Figures
Total questions: 20
Worksheet time: 20mins
Two objects that are the same shape but not the same size are _______.
Congruent
Vertical
Similar
Complementary
All corresponding angles in similar figures are congruent.
True
False
Sides in similar figures must be proportional.
True
False
A
B
C
D
Figure ABCDE is similar to figure VWXYZ.
XYAE=VZCD
VWAB=DEYZ
XYBC=YZDE
VWAB=XYCD
Figure JKLM is similar to figure PQRS.
Which proportion must be true for
these figures?
Figure ABCDE is similar to figure VWXYZ. Which proportion must be true?
Are the following similar? Why or why not?
Yes
No, the corresponding angles are not equal.
No, the ratios of the corresponding sides are not equal.
Tell whether the two figures are similar. Explain your reasoning.
Yes, similar because they are the same shape and side lengths are proportional.
No, not similar because they are the same shape, but side lengths are not proportional.
Yes, same shape
No, different sizes
Matching sides are called
Corresponding Sides
Corresponding Angles
The Same
Congruent Sides
What side corresponds with DE?
CA
AB
EC
BA
If the two triangles are similar, what is the measurement of x?
3
1.5
8
2/3=0.667
The 2 shapes are similar. Solve for X.
2 ft
3 ft
4 ft
6 ft
The 2 shapes are similar. Find x.
2
7
0.5
12
Find the measure of the indicated angle.
26
36
85
144
Dilate Point B by a scale factor of 3:
(12,0)
(12,12)
(4,3)
(0,12)
What scale factor was used to produce the image?
2
-2
1/2
1
Click to see image. HINT: Set up a proportion!
A
B
C
D
Review the picture. Find the missing side measurement in the picture using a proportion.
w = 18 m
w = 6 m
6 m
w = 0.16 m
The pair of figures is similar. Find the missing side.
x = 10
x = 4
x = 2
x = 5
