Ask Experts Questions for FREE Help !
Ask
    hicheong's Avatar
    hicheong Posts: 17, Reputation: 1
    New Member
    		  
    #1

    Jan 27, 2011, 11:00 PM
    proof
    using vectors, prove that the diagonals of a parallelogram are perpendicular if and only if the parallelogram is a rhombus.

    All I have as fragment ideas are a(dot)b=0, and the diagonals are a+b and a-b. Then how can I put all the information together and explain in detail?
    hicheong's Avatar
    hicheong Posts: 17, Reputation: 1
    New Member
    		  
    #2

    Jan 27, 2011, 11:08 PM
    Never mind, I got it figured out!

    Thx
Not your question? Ask your question View similar questions
 

Question Tools Search this Question
Search this Question:

Advanced Search


Check out some similar questions!

Proof of Cp-Cv=R [ 1 Answers ]

I want to know how to prove Cp-Cv=R

Should You Send Proof Of Being Judgment Proof [ 4 Answers ]

Hi, if you fell behind on your credit card payments after you had thyroid surgery, and on SSI, and have no other assets, don't own a car, home or bank account. Your SSI goes direct deposit, & a debt collection agency that is suing you is asking for proof of your being on SSI, is it wise to send a...

Who's got the proof? [ 1 Answers ]

The administrator of my grandfather's estate (he died intestate), now has Alzheimer's disease. I learned that the property that my father (deceased) inherited was apportioned, and several persons unknown (certainly not my father's heirs) are listed on the deed, which is a quit claim deed. Do I have...

Proof of e=mc^2 [ 1 Answers ]

give me the wriiten or mathematical froof of the formula e=mc^2

Proof [ 3 Answers ]

Can someone help me to prove that: if q1 q2 is rational, then q1 and q2 is rational.

View more questions Search