Three-Dimensional-Geometry Question 424
Question: The points $ A(5,,-1,1) $ ; $ B,(7,-4,,7); $ $ C(1,,-6,,10) $ and $ D(-1,-3,,4) $ are vertices of a
[RPET 2000]
Options:
A) Square
B) Rhombus
C) Rectangle
D) None of these
Show Answer
Answer:
Correct Answer: B
Solution:
$ \because $ $ AB=BC=CD=DA=7 $ . Also $ \overrightarrow{AB},.,\overrightarrow{BC}\ne 0 $ \ ABCD is not square. It is rhombus.
BETA
