x = 11 x cos(22)
x = 10.199
x = 10.2
Step-by-step explanation:
-7/2 = -28
-7 = -28 × 2
-7 = -56
Answer:
(6)=120°
(10)=72°
(20)=36°
(n-2)×180°
(6-2)×180°=720°
6÷720°=120°
10÷720°=72°
20÷720°=36°