The height of a curved support beam can be modeled by

Answer:
152 units
Step-by-step explanation:
height = 19
Width is the difference of roots
-x²/304 + 19 = 0
x²/304 = 19
x² = 19×304
x² = 5776
x = 76, -76
Width = 76 - (-76) = 152 units