2.2.2 Applications of Proportion – Worksheet
Example 1:
Find the value of x in each diagram. 1. △ ABC ~ △ DEF
2. RSTV ~ WXYZ
A
D
R
8 ft
W X 5 ft
5 m 7 m
x ft
4 m
x m
V
4 ft
S
E
Y
C
B
Z
F
T
Example 2:
3. Roger is 5 feet tall and casts a shadow 3.5 feet long. At the same time, the flagpole outside his school casts a shadow 14 feet long. Write and solve a proportion to find the height of the flagpole.
Example 3:
4. A r ectangle has length 12 feet and width 8 feet. Every dimension of the rectangle is multiplied by 3/4 to form a similar rectangle. How is the ratio of the areas related to the ratio of corresponding sides?
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