Question

Calculus III:
find the center of mass of a 3-4-6 triangle by use of a double integral

Answer 1

first we need to come up with functions

Answer 2

alright. How do we go about that?

Answer 3

are you sure it is not 3-4-5 triangle ?

Answer 4

no, it's a 3-4-6

Answer 5

I emailed him and he said something about law of cosines, b/c it's not a right triangle

Answer 6

*emailed teacher

Answer 7

alright, your professor sucks

Answer 8

agreed

Answer 9

alright, let's find one angle

using law of cosines

http://www.mathsisfun.com/algebra/trig-cosine-law.html

3^2=4^2+6^2-2(4)(6) cos(C)

9=16+36-48 cos(C)
43=48 cos(C)

43/48 = Cos(C)

C=0.460493