Question

find the area of the surface shown below

Answer 1

Problem

Solution

For this case the surface area is given by:

$SA=\frac{2\cdot2}{2}+2\cdot2+\frac{2\cdot5}{2}+\frac{9\cdot3.5}{2}$

And solving we got:

$SA=2+4+5+63=74its^2$