Question

Find the angle sum of a polygon of 42 sides​

Answer 1

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The answer is $7200$ degrees. ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦ ◦

Because ⭐︎ ⭐︎ ⭐︎ ⭐︎ ⭐︎ ⭐︎ ⭐︎ ⭐︎ ⭐︎ ⭐︎ ⭐︎ ⭐︎ ⭐︎ ⭐︎ ⭐︎ ⭐︎ ⭐︎ ⭐︎ ⭐︎ ⭐︎ ⭐︎ ⭐︎ ⭐︎ ⭐︎ ⭐︎ ⭐︎ ⭐︎ ⭐︎

(n-2)180

n is the number of sides in a polygon.

Here we have 42 sides:

(42-2)*180=40*180=$7200$

Answer 2

Answer:

In geometry, a tetracontadigon (or tetracontakaidigon) or 42-gon is a forty-two-sided polygon. (In Greek, the prefix tetraconta- means 40 and di- means 2.) The sum of any tetracontadigon's interior angles is 7200 degrees.