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Tapasranjan Das Grade: 12
        

If the plane (x/2)+(y/3)+(z/4)=1 cuts the coordinates axes in A,B,C then the area of Δ ABC is _____________

7 years ago

Answers : (1)

Badiuddin askIITians.ismu Expert
147 Points
										

Dear Tapasranjan


plane (x/2)+(y/3)+(z/4)=1 cuts the coordinates axes in A,B,C


then co ordinate of point A(2,0,0)


co ordinate of point B(0,3,0)


co ordinate of point C(0,0,4)


now find the side of the triangle using distance formula and then find the area


area= [s(s-a)(s-b)(s-c)]1/2


where 2s=a+b+c


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Badiuddin

7 years ago
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