Mathematics · Engineering Mechanics

A symmetrical sector-shaped lamina has a radius r = 220 mm and a total angle of 60° (with α = 30°). Calculate the distance of the centroid of this lamina from the vertex O.

Verified Solution4 OptionsUpdated: October 2026👁️1 View

Correct answer

140 mm

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A symmetrical sector-shaped lamina has a radius r = 220 mm and a total angle of 60&deg; (with &alpha; = 30&deg;). Calculate the distance of the centroid of this lamina from the vertex O.