Question

the semiperemetre of triangle is dash​

Answer 1

the semiperemetre of triangle is (sum of all sides)/2

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Answer 2

Answer:

In any triangle, the distance around the boundary of the triangle from a vertex to the point on the opposite edge touched by an excircle equals the semiperimeter. In geometry, the semiperimeter of a polygon is half its perimeter P2,sn2.