If two sides of a triangle are `hati+2hatj and hati+hatk`, then find the length of the third side.

Two vectors hati+hatj+2hatk and hati+hatj-hatk represent two sides of a triangle . Find the angle between them and the length of the third side.

Two sides of a triangle are given by hati+hatj+hatk and -hati+2hatj+3hatk then area of triangle is

Two sides of a triangle are given by hati+hatj+hatk and -hati+2hatj+3hatk then area of triangle is

Two sides of a triangle are given by hati+hatj+hatk and -hati+2htj+3hatk , then area of triangle is

If the diagonals of a parallelogram are 3 hati + hatj -2hatk and hati - 3 hatj + 4 hatk, then the lengths of its sides are

If the diagonals of a parallelogram are 3 hati + hatj -2hatk and hati - 3 hatj + 4 hatk, then the lengths of its sides are

The vectors of two sides of the triangle are vec(a)=3hati+6hatj-2hatk and vec(b)=4hati-hatj+3hatk then find all the angles of the triangle.

Two vertices of a triangle are at -hati+3hatj and 2hati+5hatj and its orthocentre is at hati+2hatj . Find the position vector of third vertex.