Name _______________________________________ Date ___________________ Class __________________
Extending Perimeter, Circumference, and Area
Chapter Test Form A
1. Find the area of the triangle.
6. A square has a perimeter of 28 inches.
Find the area of the square.
________________________________________
7. Find the circumference of
of .
C in terms
________________________________________
2. Find the area of the parallelogram.
________________________________________
________________________________________
8. Find the area of
P in terms of .
3. Find the area of a rhombus if the length
of one diagonal is 12 inches and the
length of the other is 18 inches.
________________________________________
4. Find the area of the trapezoid.
________________________________________
9. Find the area of the regular pentagon.
Round to the nearest tenth.
________________________________________
5. Find the area of the kite if the lengths
of the diagonals are d1  10 inches and d2
 8 inches.
________________________________________
________________________________________
10. Find the area of the figure. Assume all
angles are right angles.
________________________________________
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Holt McDougal Geometry
Name _______________________________________ Date ___________________ Class __________________
Extending Perimeter, Circumference, and Area
Chapter Test Form A continued
________________________________________
15. If the radius of a circle is multiplied by 2,
describe the effect on the circumference.
________________________________________
________________________________________
18. A stoplight is green for 30 seconds,
yellow for 5 seconds, and red for 25
seconds. What is the probability that the
light will be green when you arrive?
16. A gardener wants to double the area of a
rectangular flower bed. Describe how the
dimensions should be changed.
________________________________________
________________________________________
17. Find the probability that a dart that hits
the large rectangular target at a random
point will hit inside the square.
Extending Perimeter, Circumference, and Area
Chapter Test Form B
1. Find the area of the triangle.
________________________________________
4. The area of the trapezoid is 34.5 square
feet. Find the base.
________________________________________
2. Find the area of the parallelogram.
________________________________________
5. Find the area of the kite.
________________________________________
3. Find the area of the rhombus.
________________________________________
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Holt McDougal Geometry
Name _______________________________________ Date ___________________ Class __________________
6. The perimeter of a rhombus is 40 inches.
One diagonal is 12 inches. Find the area
of the rhombus.
________________________________________
7. Find the radius of
C  36 cm.
P in which
________________________________________
8. Given that the circle is inscribed in the
square, find the area of the circle to the
nearest hundredth.
________________________________________
10. The figure is a semicircle with a
radius of 8 inches. Find the area
of the shaded part of the figure to
the nearest hundredth.
________________________________________
________________________________________
9. Find the area of the regular polygon to
the nearest tenth.
Extending Perimeter, Circumference, and Area
Chapter Test Form B continued
15. The diameter of a circle is increased by a
factor of 3. Describe the effect on the
area of the circle.
________________________________________
16. A square sandbox has an area of 8
square feet. If you want to double the
area, what size should you make the
sides of the new sandbox?
18. A stoplight is green for 28 seconds,
yellow for 5 seconds, and red for 27
seconds. What is the probability
that the light will NOT be green when
you arrive?
________________________________________
________________________________________
17. Find the probability that a point chosen
randomly inside the 60-m-by-30-m
rectangle will be inside either the
small rectangle or the triangle.
________________________________________
Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor.
Holt McDougal Geometry
Name _______________________________________ Date ___________________ Class __________________
Extending Perimeter, Circumference, and Area
Chapter Test Form C
1. Express the area of an equilateral triangle
in terms of the length s of a side.
________________________________________
2. Find the area of the parallelogram.
6. The area of an equilateral triangle is
equal to the area of a trapezoid. The
trapezoid has bases with lengths 4
centimeters and 14 centimeters and an
altitude of 4 3 centimeters. Determine
the perimeter of the triangle.
________________________________________
________________________________________
3. The longer diagonal of a rhombus is
equal to 3 times one of its sides. The
length of a side is 6 inches. Determine
the area of the rhombus. Leave your
answer in simplest radical form.
________________________________________
7. A circle is circumscribed about a square.
The square has side lengths of 8 inches.
Find the circumference of the circle in
terms of . Leave your answer in simplest
radical form.
________________________________________
8. A regular hexagon is circumscribed about
a circle. The circle has a radius of 9 feet.
Find the area of the hexagon to the
nearest tenth.
4. The midsegment of the trapezoid has a
length of 11.5 cm. Find the area of the
trapezoid.
________________________________________
9. Find the area of the square.
________________________________________
5. Find the area of the kite.
________________________________________
________________________________________
Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor.
Holt McDougal Geometry
Name _______________________________________ Date ___________________ Class __________________
Extending Perimeter, Circumference, and Area
Chapter Test Form C continued
10.The radius of the circle circumscribed
around the regular hexagon is 10
centimeters. Find the area of
the shaded part of the figure to the
nearest tenth.
17. A point is chosen randomly on AD.
Find the probability the point is on BC
or CD.
________________________________________
________________________________________
18. A weather channel covers local weather
6 times per hour for a period of 2
minutes. If you turn to the weather
channel 5 times, predict how often you
will catch the local weather.
________________________________________
________________________________________
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Holt McDougal Geometry
Name _______________________________________ Date ___________________ Class __________________
Answer Key Extending Perimeter, Circumference, and Area
Chapter Test Form A: Free Response
1. 54 cm2
2. 66 cm2
3. 108 in2
1
11. Accept answers between 16 yd2 and
2
2
18 yd .
12. 10 5 units
13. 12 units2
4. 144 cm2
14. 106.8 units2
5. 40 in2
15. The area is multiplied by 9.
2
6. 49 in
7. 6 cm
16. 4 ft
17.
1
8
18.
8
15
8. 16 cm2
9. 61.9 cm2
10. 432 cm2
11. about 3 in2
12. 10 units
13. 9 units2
Chapter Test Form C: Free Response
1.
s2
3
4
2. 24.27 cm2
14. 12 units2
3. 18 3 in2
15. The circumference is multiplied by 2.
4. 138 cm2
16. Possible answers: double the width;
double the length.
2
17.
9
1
18.
or 0.5
2
5. 64 3 mm2 or about 110.85 mm2
Chapter Test Form B: Free Response
6. 36 cm
7. 8 2 in.
8. 280.6 ft2
9. 128 cm2
10. 54.4 cm2
1. 60 cm2
11. Possible answer: $47.00
2. 264 cm2
12. 17.2 units
3. 216 cm2
13. 106.8 units2
4. 7 ft
14. 29 units2
5. 168 cm2
6. 96 in2
7. 18 cm
8. 201.06 cm2
9. 259.8 cm2
15. The original area is multiplied by 18.
16. (25x2 + 100x  100) ft2
3
or 0.75
4
18. once
17.
10. 36.53 in2
Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor.
Holt McDougal Geometry