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When an area is symmetrical about both its axes, the centre of gravity will be at the __________ of these axes.

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When an area is symmetrical about both its axes, the centre of gravity will be at the __________ of these axes.

(a) linear point

(b) different point

(c) collinear point

(d) point of intersection

The question was posed to me in an online quiz.

Query is from Centres of Gravity and Moments of Inertia of Area topic in section Development of Surfaces, Isometric Projections, Perspective Projections & Transformation of Projections of Civil Engineering Drawing

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Best answer
Correct choice is (d) point of intersection

Explanation: Set the two equations for y equal to each other. Solve for x. This will be the x-coordinate for the point of intersection. Use this x-coordinate and plug it into either of the original equations for the lines and solve for y.

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