TN samacheer 10th maths chapter 5 Ex 5.1 sum 8 solution explanation important 5m@Mrpathy 1729 #tn10thmaths #tnmathsclass10 #tnsamacheer10thmaths #tnsamacheerclass10 #tnsamacheerclass10 #exercise #examples #formulas #solution #chapter5class10math #explanation #midpoint #area #quadrilateral