Question

Abc is a right angled traingle with angle abc=90 degreed is any point on ab and de is perpendicular toac prove that if ac =13 bc =5ae =4 find de and ad

Answer 1

this is because the pythogoras theoram.In that theoram a²+b²=c².
a and b are two legs and aldo named as height and base .The c is hypotenuse.