Answer:
4x(6x + 11 ) -9 (6x + 99)
hope it is helpful to you
(6)=120°
(10)=72°
(20)=36°
Step-by-step explanation:
(n-2)×180°
(6-2)×180°=720°
6÷720°=120°
10÷720°=72°
20÷720°=36°
The answer is
True
