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Questions and Answers
What is the formula to calculate the surface area of a cube?
What is the formula to calculate the surface area of a cube?
- 6a^2 (correct)
- 2a^2
- 3a^2
- 4a^2
Which of the following is the formula for the lateral surface area of a cylinder?
Which of the following is the formula for the lateral surface area of a cylinder?
- πr^2
- 2Ï€rh (correct)
- πrh
- 2Ï€r
What is the formula to find the volume of a sphere?
What is the formula to find the volume of a sphere?
- (4/3)Ï€r^3 (correct)
- 2Ï€r
- (4/3)Ï€r^2
- 4Ï€r^3
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Study Notes
Surface Area and Volume Formulas
- The surface area of a cube is calculated using the formula: SA = 6s², where s is the side length.
- The lateral surface area of a cylinder is calculated using the formula: LSA = 2Ï€rh, where r is the radius and h is the height.
- The volume of a sphere is calculated using the formula: V = (4/3)πr³, where r is the radius.
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