Question icon
Grade 11Analytical Geometry

Through the point (3,4) are drawn two straight line each inclined at 45* to the straight line x-y=2. find their equations and also find the area of triangle bounded by three lines.

Profile image of ankit  agrawal
14 Years agoGrade 11
Answers icon

1 Answer

Profile image of G Narayana  Raju
ApprovedApproved Tutor Answer14 Years ago

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.