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through the point 3, 4 are drawn to straight lines each inclined at 45 degree to the straight line x - y= 2 . find the equations and find also the area included by the three lines

through the point 3, 4 are drawn to straight lines each inclined at 45 degree to the straight line x - y= 2 . find the equations and find also the area included by the three lines

Grade:11

1 Answers

Arun
25750 Points
6 years ago
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Dear Kamal

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by using the formula

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tanA=modulas of (m1-m2)/(1+m1m2)

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where A=45 and m1=+1

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we can fine m2ย from that we get two values

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so we get two lines.

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using the three lines we find the oint of intersections.

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from the area formula we get the area covered by the triangle.

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Regards

Arun (askIITians forum expert)

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