What is the ratio of the moment of inertia of a triangular cross-section about its base compared to that about a centroidal axis parallel to the base?

Theory of Structures MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Theory of Structurescivil-engineering-mcqs › theory-of-structures
Published
17 Jan 2019
Last updated
28 May 2026

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Explanation

The moment of inertia of a triangle about its base is three times greater than the moment of inertia about a centroidal axis parallel to the base. Hence, the ratio is 3.

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