WorksheetsUnit 5 Test Review
Total questions: 36
Worksheet time: 2hrs 8mins
If the scale factor is 4, what is the measurement of slide length x?
21
1.25
20
what is the length of x?
41
60
1
20
Find the length of AB.
36
18
6
12
Find the value of x.
0
48
4.9
24
In the right triangle ABC below, CD is the altitude to the hypotenuse AB. If AD=3, DB=12, what is the value of CD?
65
41
6
35
What is the geometric mean between 64 and 25?
13
3
40
89
The geometric mean of 4 and __________ is 6. What is the missing number?
6
2√3
3√2
9
√200
√96
A(3,3) B(6,6) C(9,3)
Triangle CAT has coordinates C (4,8) A (6,10) and T ( 6,4) where is A' after a dilation of scale factor of 1/2
(6,10)
(3,2)
(3,5)
(0,0)
Which of the following algebraic rules represents an enlargement (dilation that gets bigger)?
(x, y) --> (1.25x, 1.25y)
(x, y) --> (x+3, y+3)
(x, y) --> (x - 3, y - 3)
(x, y) --> (0.5x, 0.5y)
ΔJKL has the following coordinates J(-8,2), K(7,9), L(9,-12). When dilated the new coordinates are J'(-4,1), K'(3.5,4.5), L'(4.5,6). What is the scale factor?
2
1/2
-4
-1/2
What is the similarity statement for the triangle pair?
ΔXYZ~ΔNEW
ΔXZY~ΔNWE
ΔZYX~ΔENW
ΔYZX~ΔNWE
Give the reason for similarity
AA
SAS
SSS
Not similar
If the triangles are similar, state how.
SSS
SAS
AA
Not similar
If the triangles are similar, state why.
AA
SAS
SSS
Not similar
If the triangles are similar, state how.
SAS
AA
SSS
Not similar
The triangles are similar, if m<B = 30, then what is m<D?
30
60
150
20
What is the value of x?
17
34
68
Impossible to determine from the information given.
What is the value of x?
1
2
4
Impossible to determine from the information given.
Find the measure of DG. (It's the average of the two sides)
