Name:____________________
Block: ____
Date: __________
Simplify the ratio.
5 feet
1. 30in
2.
Use properties of proportions.
3 ?
2 c
4. If  , then  .
2 ?
3 h
6 in.
1 mi.
5. If
3.
2 cm
3m
2 ?
2 x

 , then
x ?
y 5
6. Find the geometric mean of 12 and 5.
7. Find the geometric mean of 13 and 6.
Draw a diagram
8. The measures of the interior angles of a triangle are in the extended ratio of 1:3:5. Find the
measure of each angle. Label the largest and smallest.
9. Solve for x.
x
8

x 1 7
2
10.
AB DE
, find EF. Be careful!!!!

AC DF
A
D
8
10
E
B
2
C
F
A
11. Solve for x. AC:BC is 7:2.
3x + 6
B
x
C
12. In December 2000, the exchange rate of Mexican pesos to US dollars was 7.56 to 1. You
paid 240 pesos for a jacket. What was the price of the jacket in US dollars? Round to the nearest
cent.
13. The perimeter of a rectangular field is 56 yd. The ratio of its length to its width is 6:4. What
is the length and width of the field? (Hint: Draw a picture)
14.  JLK ~  XZY. (a) Find the scale factor of  A to  B and then (b) Find the missing length.
?
3
15- 19. In the diagram ABCD ~ WXYZ. Show all work, round each answer to the nearest
tenth and write your answer on the line provided.
u
A
15. Find the scale factor of ABCD to
WXYZ. _________
s
D
3.6
B
3 C
16. Find the scale factor of WXYZ to
ABCD. _________
14
W
8.4
t
X
17. Find the value of s, t, and u.
s = ______ , t = ______ , u = _______
#20-22: DE is a mid-segment of ∆ ABC. Find the value of x.
20.)
24.)
(a)
(b)
21.)
115o
Y
7
18. Find the measure of angle C. _______
19. Find the ratio of the perimeter of ABCD
to the perimeter of WXYZ. _________
22.)
Z