Answer:
false
Step-by-step explanation:
No. The adjacent angles are supplementary.
or at least i think.
the rectangular coordinates are , so the answer is A.
sorry if it wrong ≧◇≦
Number 7.
since it makes an L shape, and has a 90° angle
69.12
C=2πr
C = 2 x π x 11
= 69.12