What geometric figure could be constructed from the difference in the sums of the internal angles of an.................

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What geometric figure could be constructed from the difference in the sums of the internal angles of an octagon and a pentagon?

posted Nov 7, 2019 by Parampreet Kaur

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Sum of internal angles of n- angle polygon = (n-2)*180
Sum of angles of octagon = (8-2)*180
Sum of angles of pentagon = (5-2)*180
the difference in the sum of angles = 3*180 => n=5, this figure is pentagon

answer Nov 7, 2019 by Hanifa Mammadov

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