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Apt Mensuration 3d — Free Aptitude Tutorial

Learn Apt Mensuration 3d in Aptitude with a free, beginner-friendly tutorial, examples and practice for Indian students on Syllab.in.

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TL;DR: Learn Apt Mensuration 3d in Aptitude with a free, beginner-friendly tutorial, examples and practice for Indian students on Syllab.in.

Written & reviewed by the Syllab.in Academic Team (CBSE/NCERT subject experts) · Updated Jul 14, 2026

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Apt Mensuration 3d in Aptitude

Cube: Volume = a³, Surface Area = 6a², Diagonal = a√3.

Cuboid: Volume = l×b×h, Surface Area = 2(lb+bh+hl), Diagonal = √(l²+b²+h²).

Sphere: Volume = (4/3)πr³, Surface Area = 4πr².

Cylinder: Volume = πr²h, Curved Surface Area = 2πrh, Total SA = 2πr(r+h).

Cone: Volume = (1/3)πr²h, Slant height l = √(r²+h²), CSA = πrl, Total SA = πr(r+l).

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