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WorksheetsDilation, scale factor, similarity
Total questions: 15
Worksheet time: 19mins
Name
Class
Date
1.
If the scale factor is less than one, the new figure will be
a)
an enlargement
b)
a reduction
c)
congruent
2.
If the scale factor is greater than one, the new figure will be
a)
a reduction
b)
an enlargement
c)
congruent
3.
If the Scale Factor is ½, then the dilation is _____________________
a)
Reduction
b)
Enlargement
4.
A Scale Factor of 5 is _________________ .
a)
Reduction
b)
Enlargement
5.
If you want to find the scale factor from one figure to another, which formula should you use?
a)
ImageOriginal
b)
OriginalImage
6.
Two objects that are the same shape but not the same size are _______.
a)
Congruent
b)
Similar
7.
What is the scale factor from triangle ABC to triangle DEF?
a)
1/2
b)
7/3
c)
2/1
d)
10/3
8.
What is the scale factor from the large triangle to the small triangle?
a)
1/2
b)
2/3
c)
3/4
d)
2
9.
What is the scale factor from triangle DEF to triangle ABC?
a)
1/2
b)
7/3
c)
2/1
d)
10/3
10.
Triangle TGR is similar to triangle IGE, which statement must be true?
a)
TR = IE
b)
RG = TG
c)
IETR=IGTI
d)
IETR=IGTG
11.
Solve for x.
a)
3
b)
9
c)
1/3
d)
1/9
12.
If two figures are similar, the corresponding sides are ______________.
a)
equal
b)
congruent
c)
proportional
d)
none of these
13.
If two figures are similar their angles are______.
a)
proportional
b)
congruent
c)
supplementary
d)
complementary
14.
Complete each proportion.
DMCB=AC
a)
BM
b)
MA
c)
BC
d)
AD
15.
Complete each proportion.
AMAB=AC
a)
DM
b)
AD
c)
CB
d)
MC
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