Answer:
D
Step-by-step explanation:
tanA =
=
= 
Answer:No its not a function the domain and range is on a ti84 caculator
I believe it is -1 I hope I helped! :)
Answer:
a (typing more bc of limit lolol)
Perimeter is distance all around the side of the figure, so you would do:
8 + 7 + 19 + 3 + y + x
Plug in y and x that you solved before: 8 + 7 + 19 + 3 + 11 + 4
Add them!: 52
The perimeter is 52 meters.
:)