Expert pls tell me no 2????????from pythagoras theorem Share with your friends Share 0 Roopam Pandey answered this Dear student,Using Pyhtahgores theorem , in a right angled trianglehypotenuse2=perpendicular2+base2also hypotenuse is the longest side.i) 5cm, 4cm , 3cmhypotenuse =552=25 =32+42therefore it is the right angled triangle.ii) 10 cm, 15 cm, 13 cmhere hypotenuse=15hypotenuse2=152=225perpendicular2+base2=102+132=100+169=269since hypotenuse2≠perpendicular2+base2It is not a right angled triangle.iii) 80 cmClearly its not a right angled triangle.Regards 1 View Full Answer