Name
Class
Date Practice 6-1 Angle Measures
Solve.
1. If mA 5 23°, what is the measure of its complement?
2. If mT 5 163°, what is the measure of its supplement?
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3. If a 76° angle is complementary to Q, what is the measure of Q?
Find the measures of the complement and supplement of each angle.
4. mA 5 41° 5. mC 5 38.1° 6. mS 5 87.3° © Pearson Education, Inc., publishing as Pearson Prentice Hall.
7. mF 5 19° 8. mR 5 76° 9. mB 5 24.9° 10. mN 5 62° 11. In the diagram, m1 is 46°. Find the measures of 2, 3, and 4.
4
1
3
2
Practice
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Name
Class
Date
Practice 6-2 Area of a Parallelogram
Find the area of each parallelogram.
1. 4 m
2.
23 cm
4m
3.
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5 cm
5 in.
4 in.
4.
8 in.
8 mm
10 mm
10 mm
Find the area of each parallelogram with base b and height h.
5. b 5 16 mm, h 5 12 mm
6. b 5 23 km, h 5 14 km
7. b 5 65 mi, h 5 48 mi
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8. b 5 19 in., h 5 15 in.
Solve.
9. The area of a parallelogram is 6 square
units. Both the height and the length of
the base are whole numbers. What are the
possible lengths and heights?
10. The perimeter of a rectangle is 72 m. The
width of the rectangle is 16 m. What is the
area of the rectangle?
11. The area of a certain rectangle is 288 yd2.
The perimeter is 68 yd. If you double the
length and width, what will be the area and
perimeter of the new rectangle?
12. If you have 36 ft of fencing, what are
the areas of the different rectangles you
could enclose with the fencing? Consider
only whole-number dimensions.
Practice
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Name
Class
Date
Practice 6-3
Area of a Triangle
Find the area of each triangle.
1.
2.4 ft
2.4 ft
2.
200 ft
3.4 ft
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3. 21 cm
13 cm
32 cm
4.
9.4 mi
46 cm
15.7 mi
12.6 mi
5.
12.9 km
6.
8.0 km
50 yd
8.7 km
6.7 km
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201 ft
15 ft
97 yd
54 yd
53 yd
3.4 km
Solve.
7. A homeowner plants two flower beds around his garage. What is the
total area he will have planted? Round to the nearest tenth.
Garage
Bed 2
5.5 yd
Flower
Bed 1
5.5 yd
10 yd
8. The side of an equilateral triangle has a length of 5.4 m. The height
of the triangle is approximately 4.7 m. What is the area of this triangle?
Round your answer to the nearest tenth.
5.4 m
h
4.7 m
Practice
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Name
Class
Date
Practice 6-4
Areas of Other Figures
Find the area of each trapezoid.
1.
2.
18 ft
9 ft
10.6 mm
11 ft
3. 16.4 mm
10.6 mm
9.7 mm
12 ft
12 in.
17 in.
15 in.
24.8 mm
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20 in.
4.
21.5 mi
12 mi
7 mi
5. 8m
9 mi
6.
8m
18 in.
10 m
12 in.
17 in.
14 m
6 mi
6 in.
Find the area of each irregular figure.
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7. 6 ft 18 ft
26 ft
8.
3 cm
39 ft
64 m
31 m
4 cm 2 cm
9 cm
58 m
7 cm
29 ft
9.
12 cm
Solve.
10. The flag of Switzerland features a white cross on a red background.
a. Each of the 12 sides of the cross has a length of 15 cm.
Find the area of the white cross. b. The flag has dimensions 60 cm by 60 cm.
Find the area of the red region. 11. A trapezoid has an area of 4 square units, and a height of 1 unit. What are
the possible whole-number lengths for the bases? Practice
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Name
Class
Date
Practice 6-5 Circumference and Area of a Circle
Find the circumference and area of each circle. Round your answers
to the nearest tenth.
1.
2.
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3 in.
7 ft
2m
4.
3.
5.
6 km
6.
8 mi
15 in.
7.
8.
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15.6 m
9.
17 yd
8.4 m
Estimate the radius of each circle with the given circumference.
Round your answer to the nearest tenth.
10. 80 km
11. 92 ft
12. 420 in.
13. In the diagram at the right, the radius of the large circle is 8 in.
The radius of each of the smaller circles is 1 in. Find the area of
the shaded region to the nearest square unit.
Practice
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