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Grade: 11
        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
2 years ago

Answers : (1)

Arun
23742 Points
							
 

Dear Kamal

 

by using the formula

 

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

 

where A=45 and m1=+1

 

we can fine m2 from that we get two values

 

so we get two lines.

 

using the three lines we find the oint of intersections.

 

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

 

Regards

Arun (askIITians forum expert)

2 years ago
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