eainthmu1005 eainthmu1005

26-06-2021
Mathematics

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Sides are added to a convex polygon so that the sum of its interior angle measures is increased by 540°. How many sides are added to the polygon. Explain your reasoning.

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colinspurdle colinspurdle

26-06-2021

Every side you add will increase the angle sum by 180
Eg triangle 180’. Quadrilateral 360’. Pentagon 540’

If you increased the sum by 540 degrees you must have added 3 sides

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