Question

If s-a=5 cm , s-b=locm , s-c=4cm find s​

Answer 1

Step-by-step explanation:

semi perimeter of a triangle, s

s= a+b+c/2

2s = a+b+c

s-a+s-b+s-c = 5+10+4 = 19

3s - (a+b+c) = 19

3s - 2s = 19

s = 19