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Questions  

ABCD is a square in which A lies on the positive y-axis and B lies on the positive x-axis. If D is the point (12, 17), the coordinates of C are

a
(17, 12)
b
(17, 5)
c
(14, 16)
d
(15, 3)

detailed solution

Correct option is B

Triangles NDA, MBC and OAB are congruent⇒ MB = OA = ND = 12and CM = OB = NA = ON - OA = 5OM = OB + BM = 5 + 12 = 17coordinates of C = (OM, CM) = (17, 5)

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