Answer:
50
Step-by-step explanation:
Image result for triangular coordinates definition
Image result for triangular coordinates definition
With the triangular coordinate system, you can visualize the relationships between the components in a three-component mixture. ... Any points along the edges of the triangle represent blends where one of the components is absent.
i is defined as the square root of -1 or 
its 2 squared • 3 that is 12 every other one is over 60 which isnt a common factor besides for 3 squared but 9 is less then 12
It is the third one because _> means greater or equal to and the height must be greater or equal to 4
