The answer to your question is b
Answer:
because this is equal to the given matrix, the given matrix is symmetric.
Step-by-step explanation:
A symmetric matrix is a square matrix which has same number of rows and columns. Square matrix is equal to transpose. Equal matrices have equal dimensions. The given matrix is symmetric because the rows and columns are equally distributed.
To solve for m means to get it alone on a side
so..
Answer:
180
Step-by-step explanation:
It is always 180 for a angle like this.
