Name _______________________________________ Date __________________ Class _________________
LESSON
9-3
Practice A
Area of Parallelograms
Find the area of each figure. Choose the letter for the best
answer.
1.
2.
A 11 cm2
C 24 cm2
F 26 cm2
H 48 cm2
B 22 cm2
D 48 cm2
G 40 cm2
J 80 cm2
Find the area of each rectangle.
3.
4.
________________________
5.
________________________
________________________
Find the area of each parallelogram.
6.
7.
________________________
8.
________________________
________________________
9. Michelle wants to carpet her rectangular living room floor. The area of the living
room is 192 ft2. The length of the living room is 16 ft. What is the width of the living
room? ______________
10. Mustafa is tiling his bathroom. The section that needs to be tiled is 62 in. by 70 in.
How many square inches of tile does he need? ______________
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22
Holt McDougal Mathematics
3. 13,950 ft2; 540 ft
4. 23,400 ft2; 690 ft
5. 71,550 ft2
9. 9.4 ft
A V I C I O U S C I R C L E
LESSON 9-3
Problem Solving
Practice A
1. C
3. 62.5 cm2
5. 48 cm2
7. 36 cm2
9. 12 ft
1.
3.
5.
7.
2. G
4. 36 cm2
6. 72 cm2
1
cm2
2
10. 4,340 in2
3.
5.
7.
9.
11.
100.01 in2
132 cm2
15 m2
15.68 m2
17.5 ft
4.
6.
8.
10.
3 2
m
4
63 yd2
41.76 ft2
35 in2
100.75 cm2
2.
4.
6.
8.
10.
12.
18 in2
135 cm2
21 yd2
28.8 m2
18 units2
35 units2
6.1 in.
26 bags of seed
D
B
2.
4.
6.
8.
7.6 ft2
8.5 ft high
F
H
Reading Strategies
8. 37
1. the width
2. the length
3. Possible answer: You multiply either
the length or base times the height or
width.
4. A rectangle has length and width; a
parallelogram has base and height.
Practice B
1. 104 ft2
6. 2,460 ft
2. 138
Puzzles, Twisters & Teasers
Practice C
1.
3.
5.
7.
9.
11.
124.8 yd2
46 ft2
5.04 m2
435 in2
40 units2
30 units2
13. 8 cm
14. 456
3 2
in
4
LESSON 9-4
Review for Mastery
1.
2.
3.
4.
Practice A
9; 7; 63; 63
12; 5; 60; 60
8; 4; 32; 32
6; 9; 54; 54
1.
3.
5.
7.
Challenge
1. 12,600 ft2; 540 ft
2. 21,600 ft2; 690 ft
21 square units
32.5 square units
H
G
2.
4.
6.
8.
18 square units
B
A
69,600 mi2
Practice B
1. 22 square units
3. 31.5 square units
2. 20 square units
4. 6 square units
Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor.
77
Holt McDougal Mathematics