prove that the sum of the (interior)angles of a Pentagon is 540°
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pentagon is made up of 5 equilateral triangles.
each equilateral triangles has angle 60°
so there should be total 12 angles of a triangle forming the pentagon.
60×12 = 540°
hence proved.
hope this helps.
each equilateral triangles has angle 60°
so there should be total 12 angles of a triangle forming the pentagon.
60×12 = 540°
hence proved.
hope this helps.
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