Question

If s-a = 12cm ,s-b=19cm, s-c= 4cm
then what is s

Answer 1

Answer:

21.

Step-by-step explanation:

because..

$s - a = 12 \\ 21 - 9 = 12 \\ s - b = 19 \\ 21 - 2 = 19 \\ s - c = 4 \\ 21 - 17 = 4 \\ i \: hope \: you \: understand$