Assuming BOD and AOC are straight lines.
Area of the rectangle = 4 x ΔAOD
Area of the rectangle = 4 x 10
Area of the rectangle = 40 unit²
Area of ΔABC = 1/2 x 40
Area of ΔABC = 20 unit²
No, i would stay with my answer #1 and trust myself.
<span> 32x4 - 12x2 + 7x
-------------------
2x</span>
infinitely many solutions
