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Name _______________________________________ Date __________________ Class __________________ LESSON
10-5
Practice B
……. Blasi/Omli
Surface Area of Pyramids and Cones
Find the surface area of each pyramid. 1.
2.
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3.
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4.
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5.
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6.
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7.
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8.
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Find the surface area of each cone. Use 3.14 for . 9.
10.
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11.
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12.
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Name _______________________________________ Date __________________ Class __________________ LESSON
10-5
Problem Solving Surface Area of Pyramids and Cones
Solve the problems. 1. A three-sided pyramid and square pyramid both have a base perimeter of 30 cm and the same slant height and surface area. What is the base height of the three-sided pyramid?
2. The surface area of a cone is exactly 4,396 units2. The radius of the 2 circular base is the slant height of 5 the cone. Find r and . Use 3.14 for .
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3. The Ladrones Tower in Marbella, Spain, is a cone-shaped building with a base circumference of 12 m and a slant height of 14.7 m. Find the surface area of the structure. Hint: C The formula expresses the d relationship between the circumference and diameter of a circle.
4. The Transamerica Building in San Francisco is a square pyramid with a metal top. The metal top has a base perimeter of 43 m and a slant height of 65 m. How many square meters of aluminum were required for the top of the Transamerica Building?
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At the right is a square pyramid designed by Chinese-American architect I.M. Pei. Use it to answer the questions. Circle the letter of the correct answer. 5. The pyramid’s base area is A 35 m B 140 m2 C 1,225 m2 D 122 m 6. The surface area is of the glass walls is A 1,890 m2 B 2,112 m2 C 4,114 m2 D 6,028 m2
10-5
Practice B
……. Blasi/Omli
Surface Area of Pyramids and Cones
Find the surface area of each pyramid. 1.
2.
_______________________________________
3.
________________________________________
4.
_______________________________________
5.
________________________________________
6.
_______________________________________
7.
________________________________________
8.
_______________________________________
________________________________________
Find the surface area of each cone. Use 3.14 for . 9.
10.
_______________________________________
11.
________________________________________
12.
_______________________________________
________________________________________
Name _______________________________________ Date __________________ Class __________________ LESSON
10-5
Problem Solving Surface Area of Pyramids and Cones
Solve the problems. 1. A three-sided pyramid and square pyramid both have a base perimeter of 30 cm and the same slant height and surface area. What is the base height of the three-sided pyramid?
2. The surface area of a cone is exactly 4,396 units2. The radius of the 2 circular base is the slant height of 5 the cone. Find r and . Use 3.14 for .
_______________________________________
________________________________________
_______________________________________
________________________________________
3. The Ladrones Tower in Marbella, Spain, is a cone-shaped building with a base circumference of 12 m and a slant height of 14.7 m. Find the surface area of the structure. Hint: C The formula expresses the d relationship between the circumference and diameter of a circle.
4. The Transamerica Building in San Francisco is a square pyramid with a metal top. The metal top has a base perimeter of 43 m and a slant height of 65 m. How many square meters of aluminum were required for the top of the Transamerica Building?
________________________________________
_______________________________________
________________________________________
_______________________________________
________________________________________
At the right is a square pyramid designed by Chinese-American architect I.M. Pei. Use it to answer the questions. Circle the letter of the correct answer. 5. The pyramid’s base area is A 35 m B 140 m2 C 1,225 m2 D 122 m 6. The surface area is of the glass walls is A 1,890 m2 B 2,112 m2 C 4,114 m2 D 6,028 m2
