Find the area of the triangle whose lengths of sides are 7 m, 24 in, 25 m (use Heron's Formula)

Find the area of the triangle whose lengths of sides are 15 m , 17 m , 21 m ( use Heron 's Formula ) (AS_(1),AS_(2))

Find the area of the triangle, whose length of sides are 21m, 30m, 35m.

Find the area of the triangle. Whose lenghts of sides are 14m, 16m, 20m.

Find the area of the triangle whose vertices are (3,4),(7,8),(-1,2)

Find the area of the triangle whose vertices are (-2,4),(2,-6),(5,4)

Find the area of the triangle whose vertices are (1,8),(2,5),(-2,-3)

Find the area of the triangle whose vertices are (2,-7),(1,3),(10,8)

Find the area of the triangle whose vertices are (2,10),(4,7),(0,-1)

Find the area of the triangle whose vertices are (6, -6), (3, -7) and (3, 3)

Find the area of rectangle whose length is 25cm and width is 5cm.