Answer:
12
Step-by-step explanation:
3*2*(6-4)
3*2*(2)
6*(2)
12
-6b = -36
Divide by -6
B is 6
This should be the answer: A ≈ 21.24 in²
a) The vertices A, B, C of a triangle are (2, -1, -3), (4, 2, 3) and (6, 3, 4) respectively. Show that AB = (2,3,6) and AC = 9.
Sav [38]
Answer:
... a triangle are 2,-1,-3 4,2,3 and 6,3,4 respectively. If vector AB=2,3,6 vector AC=4,4,7 vector BC=2,1,1 , show that AB=7 AC=9 and BC= square root of 6.
