Question

     What will be the total surface area of a triangular pyramid whose sides are all 1 cm long?

    A 4cm² Correct Answer Incorrect Answer
    B 4√3cm² Correct Answer Incorrect Answer
    C √3cm² Correct Answer Incorrect Answer
    D 3√3cm² Correct Answer Incorrect Answer

    Solution

      A = 1 cm The total surface area of the triangular pyramid = 4(√ 3/4 × a ×a) = 4 ×√ 3 /4 ×1 = √ 3cm²

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