Question

plz answer fast ....... irrelevant answers will be reported and if ur answer is right I will follow u and like ur answers and mark u as brainilist.....plz answer step by step ​

Answer 1

Answer:

it just needs to prove, ok so here's an explanaition. Just write on how did you solve the triangle(is that kumon? because I did this way and I got right) and then after the solution write "2r= a + b - c is (whatever did asked)" that's the answer and the problem is that, your solution must be right and prove that it really is..that's the hint