Question

find the area of triangle formed by sides X+4y-9=0,9x+10y+23=0,7x+2y-11=0​

Answer 1

Answer:

5xy,42xy,2xy

Step-by-step explanation:

x+4y-9=0,9x+10y+23=0,7x+2y-11=0

=4xy-9=0,19xy+23=0,9xy-11=0

=4-9=xy,19+23=xy,9-11=xy

=5xy,42xy,2xy,,