equilateral triangle
Base area : (a²*√3):4
Height : (a*√3):2
Quadrangular prism (Cube)
volume:a^3
Base area : 6a²
Total surface area:6*a^2
volume: 1/3*Base area* Height
Base area : A + 3a
Total surface area:B + LSA
triangular pyramid
volume: (height*base *length):2
Base area : ½*apothem length*base length.
Total surface area:(b*h)+(s1 + s2 + s3)*l
triangular prism
volume:12a3
Base area:√3s 2
Total surface area:Sqrt (3)* (side*side)
tetrahedron
volume:1/3 × πr 2 × h
Base area:πr2 + πrl
Total surface area:π r (l + r) l = h 2 + r 2
Cone
volume:(base area*height):3
Base area:2*√3*a²
Total surface area:2* (sqrt(3))
octahedron
volume:Πr²h
Base area:2πr
Total surface area:2πr (r + h)
cylinder
volume:l* w* h
Base area:a*h
Total surface area:Sum of 6 semi-parallels
parallelepiped
volume:l*w*h
Base area:a*b
Total surface area: 2 (lw + wh + lh)
cuboid
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