The area of the triangle having vertices `P(1,2,3),Q(4,0,4),R(-2,4,2)` is (A) 5 units (B) 10 units (C) 4 units (D) none of these

Area of the quadrilateral having vertices (0,4,1),(2,3,-1)(4,5,0),(2,6,2) is (A) 27 sq. units (B) 9 sq. units (C) 81 sq. units (D) none of these

Area of the triangle having vertices (1,2,3),(2,-1,1) and (1,2,4) in square units is

The area of the triangle with vertices A(3,4,-1),B(2,2,1) and C(3,4,-3) is :

area of the triangle with vertices A(3,4,-1), B(2,2,1) and C(3,4,-3) is :

The area of the triangle formed by the points P(0,1), Q(0,5) and R(3,4) is (a) 16 sq. units (b) 8 sq. units (c) 4 sq. units (d) 6 sq. units

If the area of the triangle having vertices (2,-6) (5,4) and (k,4) is 35 sq. units , then find the value of k.

If the area of triangle having vertices (2,-5),(5,4) and (k,4) is 35 sq. units , then find the value of k.

The area of a triangle with vertices A(5, 0), B(8, 0) and C(8, 4) in square units is

The volme of a tetrahedron having vertices A(1,1,1),B(1,2,4),C(3,1,-2) and D(4,3,1) is x sq unit then 2x=