Answer:
the picture hasn't loaded reload it
Answer:
32 centimeter
Step-by-step explanation:
sana makatulong
You simply put 40 over a hundred and 55 over n (which is the number were trying to find) so you do cross multiplication. 55 times a hundred and after you get the answer. You divide it by 40 and should get 137.5.
If the figure is indeed a triangle, TRI=3, it means is a polygon with 3 sides, so one can safely assume that.