an equilateral triangle whose perimeter= 36cm,is rotated about its side to form a closed solid figure.find the volume of the solid so formed.Explain please how u found the height and radius ?

Question

Pv Aaditya · Answer

When an equilateral triangle is rotated about its side, the height of the triangle becomes the radius of the cone and the height of the cone is equal to the side of the triangle/2.

an equilateral triangle whose perimeter= 36cm,is rotated about its side to form a closed solid figure.find the volume of the solid so formed.Explain please how u found the height and radius ?

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