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Mathematics

Mensuration

MENSURATION Is defined as a branch of Mathematics that deals with measurement, especially the derivation and use of algebraic formulae to measure the areas, volumes and different parameters of geometric. Examples are cylinder, cone, cuboid, rectangular prism, rectangular based pyramid, total surface area of cylinder, cone and their volume.

FORMULAE

SHAPESAREASURFACE AREA (C.S.A)TOTAL SURFACE AREA (T.S.A)VOLUME
CONErlrll + r)
CYLINDER2 rh2 rh+2
CUBOID 2(lb+lh+bh) l.b.h
TRIANGULAR PRISM  Sum of areas of all surfacesArea of cross section x height
RECTANGULAR PYRAMID  Sum of all four triangular faces + base area x base area x height
CUBE  6
SPHERE 4πR2 πR3
HEMISPHERE 2πR23πR24πR3
sphere-hemisphere

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