Respuesta :

The base length is 2.5 meters.
The area is 3.75 sq meters.

so we need to find the height.

The area of the triangle is 
Area = bh / 2
3.75 = 2.5 h / 2
7.5 = 2.5 h
h =3

So the sail has a height of 3 meters.

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