Is there any way to solve this problem without creating a graph? Any simple way that can be used in under 2 minutes?
thanks
What is the area of a triangle with the following vertices L(1,3), M(5,1), and N(3,5)?
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Area of a triangle with coordinates provided
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If you are good with calculation and remembering formulas, you can easily solve this problem.topspin360 wrote:What is the area of a triangle with the following vertices L(1,3), M(5,1), and N(3,5)?
The area of triangle formed by the coordinates (x1, y1), (x2, y2), and (x3, y3) is given by
- A = |x1(y2 - y3) + x2(y3 - y1) + x3(y1 - y2)|/2
The correct answer is D.
Anurag Mairal, Ph.D., MBA
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Please find attached the two solutions.topspin360 wrote:Is there any way to solve this problem without creating a graph? Any simple way that can be used in under 2 minutes?
thanks
What is the area of a triangle with the following vertices L(1,3), M(5,1), and N(3,5)?
3
4
5
6
7
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"GMATinsight"Bhoopendra Singh & Sushma Jha
Most Comprehensive and Affordable Video Course 2000+ CONCEPT Videos and Video Solutions
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Most Comprehensive and Affordable Video Course 2000+ CONCEPT Videos and Video Solutions
Whatsapp/Mobile: +91-9999687183 l [email protected]
Contact for One-on-One FREE ONLINE DEMO Class Call/e-mail
Most Efficient and affordable One-On-One Private tutoring fee - US$40-50 per hour
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Now that you know the technique, you can practice your speed with this one: https://www.beatthegmat.com/coordinate-g ... 16975.html
Cheers,
Brent
Cheers,
Brent