Question

Calculate the area of the triangle determined by the
two vectors: A = 3î+ 4j and B =-3î +7j
​

Answer 1

Answer:

The area of triangle determined by the two vectors A = 3i+4j & B=-3i+7j is a) 16.5 sq.

not an exact answer of this question

Answer 2

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Answer:

16.5 square unit

Step-by-step explanation:

Area of the triangle determined by the two vectors = 1/2 |A ×B |

= 1/2 | (3î+ 4j)×(3î +7j)|

=1/2 | 21k^ - 12 (-k^)

=1/2 |33k^|

=16.5 square unit

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