____________________ / / 2 \ / | c | / a*b*|1 - --------| / | 2| \/ \ (a + b) /
sqrt((a*b)*(1 - c^2/(a + b)^2))
sqrt(a*b - a*b*c^2/(a^2 + b^2 + 2*a*b))
_______________________ / 2 / a*b*c / a*b - --------------- / 2 2 \/ a + b + 2*a*b
________________ / 2 / a*b*c / a*b - -------- / 2 \/ (a + b)
sqrt(a*b - a*b*c^2/(a + b)^2)
_____________________________ / a*b*(a + b + c)*(a + b - c) / --------------------------- / 2 2 \/ a + b + 2*a*b
sqrt(a*b*(a + b + c)*(a + b - c)/(a^2 + b^2 + 2*a*b))
_______________________ / / 2 2\ / -a*b*\c - (a + b) / / --------------------- / 2 \/ (a + b)
sqrt(-a*b*(c^2 - (a + b)^2)/(a + b)^2)
_______________________ / 2 / a*b*c / a*b - --------------- / 2 2 \/ a + b + 2*a*b
sqrt(a*b - a*b*c^2/(a^2 + b^2 + 2*a*b))
_____________________ / / 2 2\ / a*b*\(a + b) - c / / ------------------- / 2 \/ (a + b)
sqrt(a*b*((a + b)^2 - c^2)/(a + b)^2)