1.
In rhombus
DEFG
, what is
?
A.
65
B.
25
C.
50
D.
70
Hint
2.
A square is a ________.
A.
rectangle
B.
all of these
C.
rhombus
D.
parallelogram
Hint
3.
Find the value of
n
so that parallelogram
RSQT
is a rectangle if
RQ
= 2
n
- 10 and
ST
= 4
n
- 30.
A.
20
B.
5
C.
10
D.
7
Hint
4.
In rhombus
ABCD
, if
m
2 = 3
y
+ 9 and
m
4 = 2
y
- 4, find the value of
y
.
A.
60
B.
17
C.
30
D.
-13
Hint
5.
In rectangle
LMNP
, if
LN
= 3
n
+ 16 and
PM
= 5
n
- 18, find
LN
.
A.
15
B.
4
C.
67
D.
17
Hint