If points `A(2, 1); B(3, 4); C(a, 9)` are vertices of right triangle at 'B' then find value of 'a'.

The points A(2,9),B(a,5),C(5,5) are the vertices of a triangle ABC right angled at B Find the value of a and hence the area of ABC.

If the points P(2,-1,1),Q(1,-3 c)and R(3,-4,-4) are the vertices of a right triangle PQR, then find c if any.

The points A(4, 7), B(p, 3) and C(7, 3) are the vertices of a right triangle, right-angled at B, Find the values of P.

The points A(4, 7), B(p, 3) and C(7, 3) are the vertices of a right triangle, right-angled at B. Find the value of p.

If A(5, 2), B(2, -2) and C(-2, t) are the vertices of a right triangle with angleB = 90^(@) then find the value of t.

Without using Pythagoras theorem, show that the points A(2,1) , B(5,4) and C(3,6) are the vertices of a right-angled triangle.

Without using Pythagoras's theorem, show that the points A(1, 2), B(4, 5) and C(6, 3) are the vertices of a right-angled triangle.

Without using Pythagoras theorem, show that the points A(2,1) , B(5,4) and C(3,6) are the vertices of a right-angled triangle.

The points A(4,7),B(p,3) and C(7,3) are the vertices of a right triangle,right-angled at B , Find the values of P.

If the points A(-2, k), B(3,-4) and C(7,10) are the vertices of a right angled isosceles triangle right angled at A, find the value of k and the area of Delta ABC .