The perimeter of a triangle with sides `3i+4j+ 5k, 4i- 3j- 5k and 7i+j` is

find Area of the triangle with sides 3i - 7j + k, 4j - 3k

The perimeter of the triangle with sides 3hat(i)+4hat(j)+5hat(k), 4hat(i)-3hat(j)+5hat(k) and 7hat(i)+hat(j) is

If the position vectors of the vertices of a triangle are 2i - j + k, i - 3j - 5k, 3i - 4j - 4k then it is

The area of the triangle whose sides are given by 2i - 7j + k and 4j- 3k is

The area pf the triangle whose two sides are given by 4i - j + k and 3i+j - k is

The volume of the parallelopiped with edges 2i - 4j + 5k, I - j + k, 3i - 5j + 2k is -8

Values of a for which the points A, B, C with position vectors 2i - j+k, i - 3j - 5k and ai - 3j +k, respectively, are the vertices of a right angled triangle with C = (pi)/2 are

The vector area of the triangle whose adjacent sides are I - 2j + 2k, 3i + 2j - 5k is