Home » Ask & Discuss » Mathematics. » Vectors « Back to Discussion

Vectors

New kid on the Block

Joined:	4 Oct 2011
Post:	3

4 Oct 2011 19:16:17 IST

0 People liked this

210

Four points A(1,-1,1) B(1,3,1) C(4,3,1) and D(4,-1,1) taken in order are the vertices of :

Mathematics

Share this article on:

Comments (3)

francis

New kid on the Block

Joined: 3 Oct 2011

Posts: 1

4 Oct 2011 22:48:54 IST

Like 0 people liked this

I think it is square. by distance formula. For further you can check by

taking AB,BC,CD,AD as vectors then taking dot product.

pretty jia

New kid on the Block

Joined: 4 Oct 2011

Posts: 1

4 Oct 2011 23:59:09 IST

Like 0 people liked this

it's a rectangle .....opposite sides are equal ....nd diagonals are also equal ...

biman borah

New kid on the Block

Joined: 14 Apr 2011

Posts: 5

5 Oct 2011 17:06:12 IST

Like 0 people liked this

the answer is given cyclic quadrilateral

Quick Reply

Reply

	Some HTML allowed.
	Keep your comments above the belt or risk having them deleted.
	Signup for a avatar to have your pictures show up by your comment
	If Members see a thread that violates the Posting Rules, bring it to the attention of the Moderator Team

Free Sign Up!

Preparing for IIT-JEE ?

Arihant Revision Package for IIT JEE - Books, Practice Tests + Rank Predictor

@ INR 1,995/-

For Quick Info

Find Posts by Topics

Physics.

Topics

9396

20092

3672

2186

7617

2827

2638

Mathematics.

Chemistry.

Biology

Institutes

Parents

Board

Fun Zone