[ The perimeter of a triangle with sides 3i+4j+5k,4i-3j-5k and 7i+j is [ (a) sqrt(450), Wh sqrt(150) (c) sqrt(50), (d) sqrt(200)]]

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

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

If the vectors bar A B=3 hat i+4 hat k and bar A C=5 hat i-2 hat j+4 hat k are the sides of a triangle ABC, then the length of the median through A is (1) sqrt(72) (2) sqrt(33) (3) sqrt(45) (4) sqrt(18)

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

If the vectors PQ= -3i + 4j + 4k and PR = 5i - 2j + 4k are the sides of a triangle PQR then the length of the median through P is a) sqrt14 b) sqrt15 c) sqrt17 d) sqrt18

The incentre of the triangle formed by the points i+j+k,4i+j+k,4i+5j+k is

The ratio in which i+2j+3k divides the join of -2i+3j+5k and 7i-k is