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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)

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

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6 years ago
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