Question 277770
n+n+2+n+4=105
3n+6=105
3n=99
n=33
A=sqrt(s*(s-a)*(s-b)*(s-c))
where s=105/2=52.5
A=sqrt(52.5*(52.5-33)*(52.5-35)*(52.5-37))
A=526.965