1.
Carpeting
How much carpeting is needed to cover the floor of an L-shaped room with the dimensions shown in the figure?
A.
396 ft
2
B.
264 ft
2
C.
312 ft
2
D.
286 ft
2
Hint
2.
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.
72 cm
2
B.
144 cm
2
C.
48 cm
2
D.
cm
2
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 the shaded region between the circle of diameter 4 feet and the equilateral triangle. Round to the nearest tenth.
A.
7.4 ft
2
B.
10.0 ft
2
C.
8.7 ft
2
D.
12.6 ft
2
Hint
5.
If a stone is dropped at random on the arrangement of tiles shown, what is the probability the stone lands on a black tile?
A.
B.
C.
D.
Hint
6.
Find the area of this figure.
A.
168 sq. units
B.
104 sq. units
C.
200 sq. units
D.
98 sq. units
Hint
7.
Find the circumference and the area of a circle with radius 11.2 cm. Round to the nearest tenth.
A.
70.4 cm, 394.1 cm
2
B.
85.1 cm, 494.2 cm
2
C.
67.9 cm, 328.9 cm
2
D.
64.5 cm, 284.6 cm
2
Hint
8.
Find the area of the figure. Round to the nearest tenth.
A.
288.0 yd
2
B.
124.7 yd
2
C.
181.4 yd
2
D.
268.7 yd
2
Hint
9.
What is the area of the figure? Round to the nearest tenth.
A.
6.0 ft
2
B.
6.9 ft
2
C.
5.2 ft
2
D.
5.7 ft
2
Hint
10.
Find the probability that a point chosen at random lies in the shaded region.
A.
0.5
B.
0.75
C.
0.25
D.
cannot be determined
Hint