Question

Verify Euler's formula for the given solid.

Answer 1

Here $F=5$
$V=5$
$E=8$
$F+V=5+5=\mathrm{10.....}\left(i\right)$
$E+2=8+2=\mathrm{10.....}\left(ii\right)$
From $\left(i\right)$ and $\left(ii\right)$
$F+V=E+2$