Question

03. A farmer has a triangular land for agriculture.
ˆˆˆ ˆˆˆ ˆˆˆ
The sides are denoted by AB=3i +j
, BC  i  2 j  k and CA  2i  3 j  4k . Using the information given above, answer the following :
(i)
The value of BCA in ABC is (a) 3
(b) 6
(c) 4
(d) 2
ABC is
(a) isosceles triangle
(b) right angled and isosceles triangle (c) right angled and scalene triangle (d) equilateral triangle
(ii)
(iii) ABBCCA (a) 0
equals ˆˆˆ
(b) 3i2j4k ˆˆˆ
(c) ijk ˆˆˆ
(iv)
(d) i2jk
What is the area of ABC?
(v)
(a) 147 Sq.units 2
(b) 17 Sq.units 2
(c) 174 Sq.units 2
(d) 471 Sq.units 2
Let a perpendicular is drawn from C on t

Answer 1

Answer:

if they oh do is hmm khz do is do is do kg CN bc fk know CN is an if sh

Step-by-step explanation:

is fk is so if sh