Centroid of a Triangle Experiment: Prove that the centroid of a triangle is located one-third of the way up from the base (Figure 11-4j). Then draw a triangle on cardboard, draw lines one-third of the way from each base, and cut out the triangle. If your work is done accurately, you should find that the lines intersect at one point and that you can balance the triangle on the point of a pencil placed at that point. Figure 11-4j

Subject: - Chemistry 2nd sample paper 2011â€“12 Time: - 3 hrs. th Standard: - 12 Max. Marks: - 70 General Instructions: (i) All questions are compulsory. (ii) Question number 1 to 8 are very short answer questions, carrying 1 mark each. Answer these in one word or about one sentence each. (iii) Question number 9 to 18 are shortÂanswer questions,...