Problem of the Week
Problem D
Stained Glass

Points \(A(0,a)\), \(B(2,-1)\), \(C(3,2)\), \(D(0,-1)\), and \(O(0,0)\) are such that \(\triangle ABD\) and \(\triangle COB\) have the same area. If \(a>0\), determine the value of \(a.\)

Triangles A B D and C O B plotted in the x y plane with A on the
positive y-axis. The two triangles overlap.

Problem of the Week Problem D Stained Glass

Problem of the Week
Problem D
Stained Glass