Answer :

From the table, it can be concluded that the angle sum of a convex polygon of n sides

is (n −2) × 180°.


Hence, the angle sum of the convex polygons having number of sides as above will be as follows:

A. Given number of sides =7

Therefore,


Sum of angles = (7 − 2) × 180o = 900°


B. Given number of sides = 8

Therefore,

Sum of angles = (8 − 2) × 180o = 1080°


C. Given number of sides = 10

Therefore,

Sum of angles = (10 − 2) × 180o = 1440°


D. Given number of sides =n

Therefore,

Sum of angles = (n − 2) × 180o

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