The answer to this is 4.58
Answer:
The triangle is a obtuse triangle
Step-by-step explanation:
Answer:
The inverse of a square matrix A, denoted by A-1, is the matrix so that the product of A and A-1 is the Identity matrix.
Step-by-step explanation:
Answer:
1
Step-by-step explanation:
The straight angle ;
60 + x = 180
So x = 120
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