Question

if s-a = 12 cm and s-b = 19 cm and s-c = 14cm then find s.

Answer 1

Let's assume
a= 8
b= 1
c= 6

So, we get s= 20
:-D

Answer 2

s-a=12
s=a+12
s=b+19
s=c+14
s=a+12=b+19=c+14
s=a-b-c+8
is the answer