1.
Find the value of
x
if the area of the trapezoid is 54.
A.
8
B.
10
C.
11
D.
9
Hint
2.
Find the height of a trapezoid that has an area of 64 square inches, and bases of 8 and 12 inches.
A.
7.2 in.
B.
6 in.
C.
6.4 in.
D.
10 in.
Hint
3.
Find the area of an equilateral triangle whose perimeter is 30 inches.
A.
50 in
2
B.
25 in
2
C.
in
2
D.
in
2
Hint
4.
Find the area of this figure.
A.
85
B.
68
C.
24
D.
92
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.
9.2 in.
C.
7 in.
D.
8.5 in.
Hint