1.
Find the value of
x
if the area of the trapezoid is 54.
A.
10
B.
9
C.
11
D.
8
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.
6.4 in.
C.
10 in.
D.
6 in.
Hint
3.
Find the area of an equilateral triangle whose perimeter is 30 inches.
A.
in
2
B.
in
2
C.
50 in
2
D.
25 in
2
Hint
4.
This trapezoid is made up of 3 congruent isosceles triangles. Find the exact area of the trapezoid.
A.
252
B.
C.
D.
234
Hint
5.
A rhombus has an area of 55.4 m
2
. If one of the diagonals is 8 m, find the perimeter. Round to the nearest whole number.
A.
32 m
B.
36 m
C.
42 m
D.
56 m
Hint