Let `A(0,beta), B(-2,0)` and `C(1,1)` be the vertices of a triangle. Then
Angle A of the triangle ABC will be obtuse if `beta` lies in

Let A(0,beta), B(-2,0) and C(1,1) be the vertices of a triangle. Then All the values of beta for which angle A of triangle ABC is largest lie in the interval

Let A(0,beta), B(-2,0) and C(1,1) be the vertices of a triangle. Then All the values of beta for which angle A of triangle ABC is largest lie in the interval

Let A(0,beta), B(-2,0) and C(1,1) be the vertices of a triangle. Then All the values of beta for which angle A of triangle ABC is largest lie in the interval

Let A(0,beta), B(-2,0) and C(1,1) be the vertices of a triangle. Then All the values of beta for which angle A of triangle ABC is largest lie in the interval

A(2, 3, 1), B(-2, 2, 0) and C(0, 1, -1) are the vertices of the triangle ABC. Show that the triangle ABC is right -angled.

Let A(0, 1, 1), B(3, 1, 5) and C(0, 3, 3) be the vertices of a triangle ABC . Using vectors, show that triangle ABC is right angled at C.

Let A(3,4) B(5,0), C(0,5) be the vertices of a triangle ABC then orthocentre of Delta ABC is (alpha, beta) Find alpha + beta

Let A(3,4) B(5,0), C(0,5) be the vertices of a triangle ABC then orthocentre of Delta ABC is (alpha, beta) Find alpha + beta

Let A(1,0),B(0,1)&C(0,0) be the vertices of a triangle ABC. If (a,a) lies interior of the Delta ABC , then possible value of a is/are