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## Homework Statement

A trough is filled with a liquid of density 840 kg/m^3. The ends of the trough are equilateral triangles with sides 8 m long and vertex at the bottom. Find the hydrostatic force on one end of the trough.

## Homework Equations

## The Attempt at a Solution

I'm really not sure how to do this problem except that hydrostatic force = integral of pgAd (p = pressure, g = gravitational constant in SI units, A = area, d = distance). My biggest problem is coming up with the area of the approximating strip, so please explain carefully! Thanks