Question

The points A(3,0), B(a,-2) and C(4,-1) are the verices of a right angled triangle right angled at vertex A. find a.

Answer 1

a will be equal to 1

Answer 2

first of all u find distance of AB BC and AC with the help of distance formula then write according to question since ABC is a rt ang triangle so AB^2 +BC^=AC^ then from that eqn u find a