All five faces of a regular pyramid with a square base are found to be of the same area. The height of the pyramid is 3 cm. What is the minimum total area (integral) of all its surfaces?

10² sq cm

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12² sq cm

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15² sq cm

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20² sq cm

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Solution

The correct option is B 12² sq cm

= 12²

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All five faces of a regular pyramid with a square base are found to be of the same area. The height of the pyramid is 3 cm. What is the minimum total area (integral) of all its surfaces?

The correct option is B 122 sq cm = 122

The correct option is B 12² sq cm

= 12²