1 Answer

SupaHam · Answer 1 · 2023-06-07T06:36:02+0000

The general formula to know how much is the sum of the interior agles of a polygon is:

$(n-2)\cdot180º$

Where n is the number of sides.

Then:

In a polygon with 3 sides the internal angles sum: 180º

$(3-2)\cdot180º=180º$

In a polygon with 4 sides the internal angles sum: 360º

$(4-2)\cdot180º=360º$

In a polygon with 5 sides the internal angles sum: 540º

$(5-2)\cdot180º=540º$

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