What is the magnetic flux through the prism's right side?

[Se Hoon Park]

Homework Statement

Now, ignore the lengths given in the photo.

Height (y) = .640 meters
Length (z) = 1.18 meters
Base (x) = .320 meters
Magnetic Field (B) = 3.5 Teslas in the +X direction

Homework Equations

The problem is to find the magnetic flux through the surface of the prism that is the hypotenuse (side aedf). So, the equation for this should be Flux = BAcos(theta)

The Attempt at a Solution

Well, working out the problem, I figured out the length of the hypotenuse is 1.22m because of pythagorean theorem. So, B*A is simply

(1.22)(.640)(3.5T)=2.7328

Now, theta is the angle that is between the magnetic field and the orthogonal of the surface itself. This angle should be the same as the angle between the base of the triangle and the hypotenuse. So this ratio is (1.18/1.22). So the flux should be

2.7328 * (1.18/1.22) = 2.6432 Wb

But the answer keeps spitting out as wrong! What did I do wrong here?

 

[elegysix]

Perhaps it requires the correct number of significant figures.
good luck

 

[rude man]

I got 0.8164Wb.
If that checks I can give you hints as to how I derived it.

Homework Statement

Now, ignore the lengths given in the photo.

Height (y) = .640 meters
Length (z) = 1.18 meters
Base (x) = .320 meters
Magnetic Field (B) = 3.5 Teslas in the +X direction

Homework Equations

The problem is to find the magnetic flux through the surface of the prism that is the hypotenuse (side aedf). So, the equation for this should be Flux = BAcos(theta)

The Attempt at a Solution

Well, working out the problem, I figured out the length of the hypotenuse is 1.22m because of pythagorean theorem. So, B*A is simply

(1.22)(.640)(3.5T)=2.7328

Now, theta is the angle that is between the magnetic field and the orthogonal of the surface itself. This angle should be the same as the angle between the base of the triangle and the hypotenuse. So this ratio is (1.18/1.22). So the flux should be

2.7328 * (1.18/1.22) = 2.6432 Wb

But the answer keeps spitting out as wrong! What did I do wrong here?

Your answer is correct. Guaranteed!