Basic Mathematics for College Students

Chapter 9 Test 837

32. Refer to the triangles below. The units are meters.

a. Find. b. Find.

33. SHADOWS If a tree casts a 7-foot shadow at the
    same time as a man 6 feet tall casts a 2-foot shadow,
    how tall is the tree?


34. Refer to the right triangle below. Find the missing
    side length. Approximate any exact answers that
    contain a square root to the nearest tenth.
    a. Find if cm and cm.
    b. Find if in. and in.


35. TELEVISIONS To the nearest tenth of an inch, what
    is the diagonal measurement of the television screen
    shown below?


36. How many cubic inches are there in 1 cubic foot?

Find the volume of each figure. Give the exact answer and an
approximation to the nearest hundredth if an answer contains p.

8 m

10 m

6 m

6 m

6 m

6 m

19 in.

25 in.

d in.

a

c

b

b a 6 c 8

c a 10 b 24

AB

C

9

6 y 4 8

D x E

F

x y

39. 
    
    
    
    40. 
        
    
    
    
    


40. 
    
    
    
    42. 3 yd
    
    
    
    

7 yd

29 ft

27 ft

20 ft

21 ft

Area:

30 in.^2

20 in.

24 in.

27 in.

4 in.

12 mi

10 mi

10 mi

45. FARMING A silo is used to store wheat and corn.
    Find the volume of the silo shown below. Give the
    exact answer and an approximation to the nearest
    cubic foot.


46. Give a real-life example in which the concept of
    perimeter is used. Do the same for area and for
    volume. Be sure to discuss the type of units used in
    each case.

40 ft

30 ft