Find the area of the triangle formed by A = (3i +4j + 7k)m and B = (i + 2j+3k) m as adjacent
sides
Ans. 1.732 m^2
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Answered by
0
Answer:
Explanation:
Area of the triangle determined by the two vectors =
2
1
∣
A
×
B
∣
=
2
1
∣(3
i
^
+4
j
^
)×(−3
i
^
+7
j
^
)∣
=
2
1
∣21
k
^
−12(−
k
^
)∣
=
2
1
∣33
k
^
∣
=16.5 square unit
Answered by
0
Answer:
1.732 m^2 is the answer of your question
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