Question

If A(5, 3), B(11, -5) and C(12, y) are the vertices of a right triangle right angled at C, then the value of y is :
(a) 2
(6) 3
(c) 2
(d) 3
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Answer 1

Answer:

Y=2,we know that ,squar of perpendicular +square of base =square of hypotenuse.