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WorksheetsUnit 3 Practice Test 2
Total questions: 22
Worksheet time: 1hrs 15mins
Name
Class
Date
1.
What are the angles of rotation for a square?
a)
multiples of 30
b)
multiples of 45
c)
multiples of 90
d)
multiples of 180
2.
How many lines of symmetry does this shape have?
a)
1
b)
2
c)
3
d)
4
3.
1. How many lines of symmetry does this shape have?
a)
1
b)
2
c)
3
d)
4
4.
Identify the smallest angle of rotation that maps the image to itself.
a)
180°
b)
360°
c)
90°
d)
No rotational symmetry
5.
What is the angle of rotational symmetry?
a)
360°
b)
180°
c)
120°
d)
90°
6.
Tell whether the two figures are congruent.
a)
Yes, same size and same shape
b)
No, same shape but different sizes
c)
No, different size and different shapes
7.
Tell whether the two figures are similar. Explain your reasoning.
a)
Yes, similar because they are the same shape and side lengths are proportional.
b)
No, not similar because they are the same shape, but side lengths are not proportional.
c)
Yes, same shape
d)
No, different sizes
8.
Are the following similar? Why or why not?
a)
Yes
b)
No, the corresponding angles are not equal.
c)
No, the ratios of the corresponding sides are not equal.
9.
Solve for X.
a)
2 ft
b)
3 ft
c)
4 ft
d)
6 ft
10.
∠A ≅∠?
a)
∠B
b)
∠E
c)
∠D
d)
∠F
11.
What is the ratio of the similar figures, big to little?
a)
2:1
b)
3:1
c)
5:3
d)
2:3
12.
When going from the linear scale factor to the ratio of volumes, you...
a)
square it.
b)
cube it.
c)
square root it.
d)
cube root it.
13.
If the linear scale factor is 5:6, then the ratio of areas is...
a)
5:6
b)
10:12
c)
25:36
d)
125:216
14.
a)
18cm
b)
12cm
c)
14cm
d)
24cm
15.
a)
40
b)
10
c)
5
d)
25
16.
a)
27
b)
3
c)
9
d)
300
17.
a)
72cm3
b)
216cm3
c)
512cm3
d)
24cm3
18.
A triangle has sizes measuring 11 cm, 16 cm, and 16 cm. A similar triangle has sides measuring x cm, 24 cm, and 24 cm. What is x?
a)
x = 19 cm
b)
x = 24 cm
c)
x = 3 cm
d)
x = 16.5 cm
19.
Solve for f.
a)
6
b)
4
c)
3
d)
8
20.
Find side length X.
a)
22.5
b)
10
c)
9
d)
7.5
21.
You need a ladder that will reach up a 25 dm tall house when placed 10 dm away from the house. How tall does the ladder need to be?
a)
25 dm
b)
26 dm
c)
27 dm
d)
28 dm
22.
Find the perimeter of a triangle that has legs that are 3 cm and 4 cm.
a)
5
b)
7
c)
10
d)
12
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