Answer:
Height of the sail is 9 feet.
Step-by-step explanation:
Since sail is in the shape of a triangle and the formula of a triangle is
Area = (1/2)×Base×Height
Area of the sail has been given in the question and we have to calculate the height of the sail.
40.5 = (1/2)× Height× Height ( since base = height)
40.5×2 = height² = 81
height = √81 = 9 feet.
