Square of hypotenuse when the sides are 3&4 in a right triangle Share with your friends Share 0 Neha Sethi answered this Given the sides are 3 and 4 units.By pythagoras theorem AC2=AB2+BC2=42+32=16+9=25⇒AC2=25So, AC=5 unitsNote:Pythagoras theorem:H2=P2+B2where P=PerpendicularB=baseH=height 0 View Full Answer