Sunday, November 22, 2009

GMAT/CAT PREPARATION EMAIL COURSE DAY 27

Cuboid:



Lateral surface area -- 2h (l + b)
Total surface Area -- 2(lb + bh + lh)
Volume -- lbh
Where
l = length
b = breath
h = height






Cube:



Lateral surface area -- 4a*a
Total surface Area -- 6a*a
Volume -- a*a*a
Where
a = length of edge


Right circular cylinder:



Lateral surface area -- 2πrh
Total surface Area -- 2πr(r + h)
Volume -- π*r*r*h
Where
r = radius of base
h = height of the cylinder

Right circular cone:




Lateral surface area -- πr l
Total surface Area -- πr(l + r)
Volume -- (1/3)π*r*r*h
Where
h = height
r = radius
l = slant height

Sphere:



Total surface Area -- 4πr2
Volume -- (4/3)π*r*r*r
Where
r = radius


Hemisphere:




Lateral surface area -- 2πr*r
Total surface Area -- 3πr*r
Volume -- (2/3)π*r*r*r
Where
r = radius






Spherical shell:



Total surface Area -- 4π (R*R – r*r)
Volume -- (4/3)π(R*R*R -r*r*r)
Where
R = outer radius
r = inner radius







Volume of bucket:



Total surface Area -- πr(l + (R-r))
Volume -- (πh/3)(R*R- r*r)
Where
R = larger radius
r = smaller radius
h = height
l = slant height