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    Question

    For a rectangular box, what is the product of the areas

    of the 3 adjacent faces that meet at a point?
    A length × breadth × height Correct Answer Incorrect Answer
    B length + breadth + height Correct Answer Incorrect Answer
    C length × breadth + breadth × height + length × height Correct Answer Incorrect Answer
    D (length × breadth × height)² Correct Answer Incorrect Answer

    Solution

    For a rectangular box, let's denote the dimensions of the box as a, b, and c. The three adjacent faces that meet at a corner can be represented by the pairs of dimensions as follows: 1. Face with dimensions a and b has an area of A1 = ab 2. Face with dimensions b and c has an area of A2 = bc 3. Face with dimensions c and a has an area of A3 = ca To find the product of the areas of these three faces, we calculate: A1×A2×A3 = (ab)(bc)(ca) Now, we simplify this expression: A1×A2×A3= ab×bc×ca = a2 × b2 ×c2 = (abc)2 Thus, the product of the areas of the three adjacent faces that meet at a point is: (abc)2

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