Answer:
6x-2
Step-by-step explanation:
The perimeter of a rectangle is found by
P = 2(l+w)
=2( x-2 + 2x+1)
Combine like terms
P = 2(3x-1)
Distribute
P = 6x-2
Tan^-1(9.1834) = 83.7854 to the nearest whole degree = 84 deg (83.7 gets rounded to 84) really hopes this helps
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