1.
Find the area of an equilateral triangle whose perimeter is 30 inches.
A.
50 in
2
B.
in
2
C.
25 in
2
D.
in
2
Hint
2.
Find the area of quadrilateral
ABCD
,
AD
||
BC
.
A.
148
B.
C.
D.
97
Hint
3.
This trapezoid is made up of 3 congruent isosceles triangles. Find the exact area of the trapezoid.
A.
234
B.
C.
D.
252
Hint
4.
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
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.
42 m
B.
36 m
C.
56 m
D.
32 m
Hint