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If the coordinates of point B are (-3, 4) and the coordinate

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Re: If the coordinates of point B are (-3, 4) and the coordinate [#permalink] New post 29 Jul 2020, 17:52
ant99 wrote:
sandy wrote:
Sawant91 wrote:
Thanks for your response.

I tried to solve by matrix method and got the answer is 7/2 for triangle BCD. I assumed the area of parallelogram is twice the triangle as there are two triangle present.

Is my understanding correct?


Yes, that is correct. Well done, it is a tough question.


Hi, I tried solving this by finding the distance between the two points. For example, I first found the distance between point B and origin. Then point B and C. I was obviously wrong in this approach, but could you tell me how I was wrong here?


Hi,
Until and unless you mention the steps, it would be difficult to make an assumption where are you wrong.
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Re: If the coordinates of point B are (-3, 4) and the coordinate   [#permalink] 29 Jul 2020, 17:52
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If the coordinates of point B are (-3, 4) and the coordinate

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