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SOHAN SARANGI Grade: 12
        

The area of the triangle formed by the lines y=ax, x+y-a=0 and the y-axis is equal to?

6 years ago

Answers : (1)

AKASH GOYAL AskiitiansExpert-IITD
419 Points
										

Dear Sohan


Find the point of intersection of lines y=ax, x+y-a=0, x=0


points are (0,0),(0,a) and (a/1+a, a2/1+a)


use formula for area


A = 1/2[x1(y2-y3) + x2(y3-y1) + x3(y1 - y2)]


A= a2/2(1+a)


All the best.                                                           


AKASH GOYAL


AskiitiansExpert-IIT Delhi


 


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6 years ago
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