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Consider points A,B,C and D with positi...

Consider points A,B,C and D with position vectors `7hati-4hatj+7hatj,hati-6hatj+10hatk,-hati-3hatj+4hatk and 5hati-hatj+5hatk` respectively. Then ABCD is a

A

square

B

rhombus

C

ractangle

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
D
A (7,-4,7), B(1,--6, 10), C(-1,-3, 4) and D(5,-1,5).
`AB=7, CD= sqrt(41), BC=7, DA= sqrt(17)`
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