The force on one face of a right triangle is ?

[dugongster]

Homework Statement

Problem:
Find the force on one face of a right triangle of sides 4 meters and altitude of 3 meters. The altitude is submerged vertically with the 4 meter side in the surface.

The selections by the way are

a. 58.86 kNewton
b. 53.22 kNewton
c. 62.64 kNewton
d. 66.27 kNewton

The Attempt at a Solution

I tried solving it through vectors but didn't get any close to anyone of the choices.

 

[tiny-tim]

hi dugongster! welcome to pf!

show us your full calculations, and then we'll see what went wrong, and we'll know how to help!