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Grade 12Analytical Geometry

Please prove the two formulas attached in the Image..I have wasted one day trying to prove it....Please help...I think it will need rotation to prove it....Please provide the simplest method according to you...
Thanks

Question image for Please prove the two formulas attached in the Imag
Profile image of Jai Mahajan
11 Years agoGrade 12
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1 Answer

Profile image of Saurabh Koranglekar
6 Years ago
Dear student

The angle with hypotenuse is 45 for both the lines and base and height are inclined to each other at 90

so the other two equations can be identified

and hence the third vertex

Regards

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