Center of mass of right triangle, without calculus

[al_9591]

Homework Statement

How can I find the center of mass of a right triangle, of height h, length a, and mass m, without using calculus?

Homework Equations

The Attempt at a Solution

I just need a hint on how to start please

 

[kuruman]

Hint: The CM is anywhere on a line splitting the triangle into two equal masses. If you can find a second such line, the CM will be at the intersection of the two lines.