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kanwal32
 one year ago
The first term of a convex polygon are in AP. The smallest angle is 120 degree and the common difference is 5 degree find the number of sides of the polygon
kanwal32
 one year ago
The first term of a convex polygon are in AP. The smallest angle is 120 degree and the common difference is 5 degree find the number of sides of the polygon

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kanwal32
 one year ago
Best ResponseYou've already chosen the best response.0i used the approach that a polygon cannot have an angle 180 degree cause then the polygon will not close i took the last term as 175 degree and used the formula of ap answer is comming 12 but the answer in the testbook is given 9

Er.Mohd.AMIR
 one year ago
Best ResponseYou've already chosen the best response.1two ans are 16 and 9 u find wrong second one since T16=120+(161)*5=120+75=195 and angle are not more then 180 so ans is 9 is right.
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