1.
One of the angles of a rhombus measures 60° and the shorter diagonal has a length of 12 centimeters. Find the exact area of the rhombus.
A.
144 cm
2
B.
48 cm
2
C.
cm
2
D.
72 cm
2
Hint
2.
Find the area of an equilateral triangle whose perimeter is 30 inches.
A.
25 in
2
B.
50 in
2
C.
in
2
D.
in
2
Hint
3.
Find the area of this figure.
A.
85
B.
92
C.
68
D.
24
Hint
4.
Find the area of quadrilateral
ABCD
,
AD
||
BC
.
A.
B.
97
C.
148
D.
Hint
5.
A trapezoid has an area of 80.75 sq. in., and its two bases are 7 and 12 inches long. Find the height of the trapezoid.
A.
8.75 in.
B.
8.5 in.
C.
9.2 in.
D.
7 in.
Hint