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how to judge angle of triangles by given equation of three straight line...

how to judge angle of triangles by given equation of three straight line...

Grade:11

1 Answers

Prajwal
28 Points
6 years ago
Given : equation three straight line 
Then triangle must be formed by the intersection of these line .
And we know angle between two straight lines is 
         Tan(theta)=|(m1-m2)|/(1+m1m2) 
Where M1 and M2 are slopes of the lines 

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