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ABC is a triangle right angled at A, AB...

ABC is a triangle right angled at `A, AB=2AC, A=(1,2), B (-3,1)`. The vertices of the triangles are in anticlockwise sense. BCEF is a square with vertices in clockwise sense.

A

42

B

51

C

62

D

102

Text Solution

Verified by Experts

The correct Answer is:
B
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