Question

If points (2, -2), (14, 10) and(11, 13) are the vertices of triangle, then triangle is 

(A) Isosceles, triangle

(B) Scalene triangle

(C) Right angled triangle

(D) None of these

Answer 1

Answer is (C) Right angled triangle

A = (2, -2), B = (14, 10), C = (11, 13)

Here triangle is a right angled triangle