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What is the measure of an interior angle of a regular pentagon?
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What is the measure of an interior angle of a regular pentagon?

User Radek Anuszewski
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we use this formula to calculate the sum of all interior angles of a regular polygon; 180(n-2) , n= number of sides
so 180(5-2) = 540
each interior angle = 540 รท 5 = 108
User Derabbink
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