Arun
Last Activity: 7 Years ago
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)