Question 841257
<pre>
{{{(n-2)*(180)/n}}}{{{""=""}}}{{{176}}}

Multiply both sides by n

{{{(n-2)*180}}}{{{""=""}}}{{{176n}}}

{{{180(n-2)}}}{{{""=""}}}{{{176n}}}

{{{180n-360}}}{{{""=""}}}{{{176n}}}

{{{4n}}}{{{""=""}}}{{{360}}}

{{{4n/4}}}{{{""=""}}}{{{360/4}}}

{{{n}}}{{{""=""}}}{{{90}}}

It has 90 sides.  (It would look just about like a circle.

Edwin</pre>