Question

prove that a triangle with the sides (a-1)cm,2 root a cm and (a+1)form a right angled triangle.​

Answer 1

Step-by-step explanation:

Solution explained below. Let ABC be a triangle with AB= (a-1) cm, BC= 2√a cm and CA= (a+1) cm. From the above solution it is proved that triangle ABC is right angled at B which means it is a right angled triangle.23-Oct-2018