8.1 Review Worksheet
8.1.1 Similarity in Right Triangles Write a similarity statement comparing the three triangles in each diagram. 1. Q 2. 3. R
B
A
M
N
T
D C
U
S
P
Find the geometric mean of each pair of numbers. If necessary, give the answer in simplest radical form. 4. 5 and 45 5. 3 and 15 6. 5 and 8
7. 1 4
2 3
27 40
8. 1.5 and 12
9.
and 80
and
Find x, y, and z. 10. x y z 12 4
11.
12.
12.8
z
y
x
y
9.6
z
30
40
x
13. To estimate the height of the Taipei 101 tower, Andrew stands so that his lines of sight to the top and bottom of the tower form a 90 ° angle. What is the height of the tower to the nearest foot?
91 ft 3 in.
5 ft
74
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