Question

if triangle ABC is right angled at a then BC is the​

Answer 1

Step-by-step explanation:

Given that, triangle ABC is right angled at B. Then, the side opposite to right angle is the longest side i.e. AC. So, AC is the longest side and either of AB and BC is the base or the other is the perpendicular.

Answer 2

Answer:

BC is the hypotenuse.

Step-by-step explanation:

if triangle ABC is right angled at a then BC is the HYPOTENUSE.

Hope that's the expected answer...