24 1/2 or 24.5 is the answer
Answer:
~2.09
Step-by-step explanation:
Let , a, b and c be the length of three sides of triangle, represented in terms of vectors as
.
Now, vector of same Magnitude acts as normal vector to each side.
So, equation of any vector p having normal q is given by

Now sum of three vector and it's normal is given as

Cross product of two identical vectors is Zero.

Answer:
3
Step-by-step explanation: