Findtheareaofthetrianglewithvertices,and.

Answer and explanation

Correct answer: A.

  1. Step 1: and .
  2. Step 2: , with length .
  3. Step 3: Area .
Answer
.
Why not the others: : the factor was left out. : the product was used instead of the cross product. : the components of the cross product were added without taking its length.

Practise more Complex numbers, matrices and vectors.

Free questions with an explanation for every one, and full timed Wazari Exam (Iraq Baccalaureate) - Scientific Branch mock tests.

All Complex numbers, matrices and vectors questionsTake a mock test

More Complex numbers, matrices and vectors questions