[Graphs generated by this script: initPicture(-1,11,-2,11);line([0,0],[1,6.7]);line([1,6.7],[10,0]);line([10,0],[0,0]);strokedasharray="3 5";line([1,0],[1,6.7]);text([1,3.35],"4","right");text([5,0],"6","below");]

Find the area of the triangle pictured above.

Round your answer to the nearest tenth