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Grade: 12th pass

                        

The diagonals of a parallelogram are given by A = 3i -4j -k and B = 2i +3j - 6k. Show that the parallelogram is a rhombus and determine the length of its sides and its angles.

The diagonals of a parallelogram are given by A = 3i -4j -k and B = 2i +3j - 6k. Show that the parallelogram is a rhombus and determine the length of its sides and its angles.

one month ago

Answers : (2)

Anand Kumar Pandey
askIITians Faculty
4222 Points
							Dear Student

A.B= dot product of A and B = 0
hence, A and B are perpendicular
Since,Diagonals are perpendicular,The given shape is rhombus as it is the property of rhombus that the diagonals of rhombus bisect perpendicularly

Thanks
one month ago
Yashraj
908 Points
							
Practice previous year questions many times..
Appear for a test series and analyse it properly (Giving 2–3 hours)
Revise your notes multiple times till they enter your soul :)
Find your strong points and chapters, work on them..
Solve other people’s doubts. It makes your own concepts very clear
one month ago
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