4. Examine the table. (Each figure is divided into triangles and the sum of the angles deduced from that.)

What can you say about the angle sum of a convex polygon with number of sides? 

    (c) 10

Answers (1)

 (c) 10

angle sum of a convex polygon = (number of sides - 2)\ast 180\degree

angle sum of a convex polygon with 10 sides = (10 - 2)\ast 180\degree

angle sum of a convex polygon with 10 sides = (8)\ast 180\degree

angle sum of a convex polygon with 10 sides = 1440\degree

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