find the sum of all internal angle of a pentagon that is regular
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Answer: From vertex A we can draw two diagonals which separates the pentagon into three triangles. We multiply 3 times 180 degrees to find the sum of all the interior angles of a pentagon, which is 540 degrees.
Step-by-step explanation:
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Step-by-step explanation:
To find the sum of internal angles of a pentagon, the only thing we have to do is (n-2)180 ie, (5-2)180 =540
We are taking five why because the no. Of sides of pentagon is five.
Likewise we can also find the sum of inernal angles of heptagon hexagon ect. The only thing is that we should know the no. Of sides
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