Point D is the in center of triangle ABC. Write an expression for the length x in terms of the three side lengths AB, AC, BC. Hint: Use areas of triangles...A=1/2bh

If you divide 0.1 and 0.6 you wii get 0.166666 which rounds to .167 which is answer b

It is b as the correct answer is 0.088, you are able to work these out on a calculator or without a calculator if you type in the exact sum that is given for harder questions like these!