Activities-Pythagoras theorem problems


 * 1) In Right angled ∆ABC,∟BAC= 90°,∟B: ∟C = 1:2 andAC= 4cm.calculate thelenght of BC
 * 2) A door of width 6 mt has an archabove it having aheight of 2 mt, find the radius if the arch
 * 3) The sides of a right angled triangle are in an AP. Show that sides are in ther ratio 3:4:5