1.
Which pair of triangles is similar?
A.
B.
C.
D.
Hint
2.
A tree that is 5 feet tall casts a shadow 2 feet long. A nearby building casts a shadow that is 20 feet long. How tall is the building?
A.
0.5 ft
B.
10 ft
C.
50 ft
D.
20 ft
Hint
3.
Find sin
X
.
A.
0.6
B.
0.75
C.
8
D.
0.8
Hint
4.
Find the length of the missing side to the nearest hundredth.
A.
8.25
B.
7.81
C.
7.62
D.
8.06
Hint
5.
In a right triangle, the legs have measures
a
= 11 and
b
= 19. Find the length
c
of the hypotenuse to the nearest hundredth.
A.
15.49
B.
28.17
C.
27.63
D.
21.95
Hint
6.
Simplify
.
A.
B.
C.
D.
Hint
7.
Simplify
.
A.
B.
C.
D.
Hint
8.
Simplify
.
A.
B.
The expression is in simplest form
C.
D.
Hint
9.
Solve
.
A.
no real solution
B.
0
C.
-1
D.
2
Hint
10.
Solve
.
A.
-1, 3
B.
1, 3
C.
3
D.
-1
Hint
11.
Find the result of
A.
B.
C.
D.
Hint
12.
Tamotsu and Ryan each go to the same school. Tamotsu lives 5 miles north and 3 miles west of the school. Ryan lives 7 miles south and 4 miles east of the school. How far apart do they live?
A.
13.9 miles
B.
7.28 miles
C.
12.04 miles
D.
2.24 miles
Hint
13.
Find the value of
a
if the distance between (4, 3) and (–1,
a
) is 13 units.
A.
a
= 15 or –9
B.
a
= –15 or 9
C.
a
= –15 only
D.
a
= 15 only
Hint
14.
Using the figure, which expression is equal to cos 38°?
A.
tan 38°
B.
sin 38°
C.
sin 52°
D.
tan 52°
Hint