TS ICET 23 May 2019 Shift 2 Paper

Question : 140 of 200

Marks: +1, -0

If three vertices of a rectangle are (4, 1), (7, 4) and (13, -2) then the fourth vertex is

Solution:

The fourth vertex of a rectangle

(x _{4},y _{4}) =( x _{1}+ x _{3}-x _{2},y _{1}+ y _{3}- y _{2})

=(4+13-7,1-2-4)

=(10,-5)

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