Which top cross-section is the smallest among the orders?

Prepare for the DMC Administrative Order Test No. 2007-29. Use flashcards, interactive quizzes, and detailed explanations for each question to enhance your understanding. Master the content with our comprehensive practice material and succeed!

Multiple Choice

Which top cross-section is the smallest among the orders?

Explanation:
Top cross-sections that are square have areas equal to the square of their side length. Compare the sides: 30, 25, 20, and 40 units. The smallest side is 20, so the 20 by 20 cross-section has the smallest area. The other options—30 by 30, 25 by 25, and 40 by 40—have larger areas because their sides are longer, and area increases with the square of the side.

Top cross-sections that are square have areas equal to the square of their side length. Compare the sides: 30, 25, 20, and 40 units. The smallest side is 20, so the 20 by 20 cross-section has the smallest area. The other options—30 by 30, 25 by 25, and 40 by 40—have larger areas because their sides are longer, and area increases with the square of the side.

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