Surface Area of Solid of Revolution Derivation
74238
Doubt in Application of Integration - Calculation of volumes and surface areas of solids of revolution
80394
Find an equation in spherical coordinates for the surface represented by the rectangular equation
122430
How to plot and find the volume of a solid?
91120
How to calculate polygon area considering slopes?
94434
Minimum area of the parallelepiped surface
146254
A problem on Minima. Proving sphere has minimum surface area for a given volume
85764
Why is surface area not simply $2 \pi \int_{a}^{b} (y) dx$ instead of $2 \pi \int_a^b (y \cdot \sqrt{1 + y'^2}) dx$?
2870
what is the area of the region [ (x,y):0<x , y<1 , 3/4<x+y<3/2 ]?
61658
Error in area calculation
101339
Area of a cyclic polygon maximum when it is a regular polygon
54028
How do I calculate the area of a 2d polygon?
78939
Parametrisation of the surface a torus
151000
Area of a weird ellipse shape.
63726
Surface area of sphere $x^2 + y^2 + z^2 = a^2$ cut by cylinder $x^2 + y^2 = ay$, $a>0$
98971
Why is $\pi r^2$ the surface of a circle
67514
Formal Proof that area of a rectangle is $ab$
67656
Intrinsic vs. extrinsic properties of surfaces