Surface Area of Solids

Calculate and interpret surface area of solids.

Lesson 3 of 53 parts Practice Flashcards

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Prism Surface Area

Objective: Calculate prism surface area with appropriate units.

Prism surface area is 2B+Ph for base area B and base perimeter P.

Worked examples

Try itA prism has base area 5, base perimeter 9, and height 3. Find total surface area.Show answer

37. Surface area = 2B+Ph.

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Objective: Calculate prism surface area with appropriate units.

Prism surface area is 2B+Ph for base area B and base perimeter P.

Worked examples

Try itA prism has base area 5, base perimeter 9, and height 3. Find total surface area.Show answer

37. Surface area = 2B+Ph.

Objective: Calculate cylinder surface area with appropriate units.

Cylinder total surface area is 2πr²+2πrh.

Worked examples

Try itCylinder radius 3, height 5: total surface area in π units?Show answer

48π. Add two circle areas and lateral area.

Objective: Calculate nets with appropriate units.

A net unfolds the faces of a solid; total area sums face areas.

Worked examples

Try itA cube has edge length 3. What is its surface area?Show answer

54. Six square faces each have area edge².

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