Find the area of `Delta PQR`, whose vertices are P (-5, 7) , Q (-4, -5) and R (4, 5) .

Using integration,find the area of Delta PQR whose vertices are P (2,1) ,Q (3,4) and R( 5,2)

Using integration,find the area of the triangle PQR,whose vertices are P(2,5),Q(4,7) and R(6,2).

Find the area of triangle, whose vertices are (2,3), (7,5) and (-7,-5).

Find the area of triangle, whose vertices are (2,3), (7,5) and (-7,-5).

Find the area of the triangle PQR whose vertices are,P(2,1),Q(3,4) and R(5,2).

Using determinants, find the area of the triangle whose vertices are (-2,\ 4),\ \ (2,\ -6) and (5,\ 4) . Are the given points collinear?

Find the area of triangle whose vertices are P(3/2,1),Q(4,2), R(4,-1/2)