What is the perimeter of this red polygon? 27 in 22 in 22 in 98 in [ ? ] in
2 answers:
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Answer:
Step-by-step explanation:
Remmeber this:
The y-intercept is where the lone goes through the y-axis.
In three dimensions, the cross product of two vectors is defined as shown below
Then, solving the determinant
In our case,
Where we used the formula for AxB to calculate ixj.
Finally,
Thus, (i+j)x(ixj)=i-j