Answer to Question #351011 in Analytic Geometry for Denis

Question #351011
  • Find the area of ​​a triangle constructed on vectors а‾ = ı‾ + ȷ‾ , ̅b‾=2ȷ‾.
1
Expert's answer
2022-06-16T10:33:46-0400
"\\vec{a}\\times\\vec{b}=\\begin{vmatrix}\n \\vec{i} & \\vec{j}& \\vec{k} \\\\\n 1 & 1 & 0 \\\\\n 0 & 2 & 0 \\\\\n\\end{vmatrix}=\\vec{k}(2-0)=2\\vec{k}""Area=A=\\dfrac{1}{2}|\\vec{a}\\times\\vec{b}|=\\dfrac{1}{2}(2)=1({units}^2)"

1 square unit.


Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

Comments

No comments. Be the first!

Leave a comment

LATEST TUTORIALS
APPROVED BY CLIENTS