Question

prove that r =a+b-c/2​

Answer 1

HEYA MATE PLEASE CHECK YOUR QUESTION

I THINK THERE IS SOME MISTAKE IN IT

b and c 's position should be interchanged in the ques and u will get ur answer

ɧơ℘ɛ ıɬ ɧɛƖ℘ʂ

B вяαιиℓу☺

Answer 2

hope this answer will help you