Answer:
y=13
Step-by-step explanation:
5+13=18
Answer:
(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°
Answer: 8
Step-by-step explanation:
The answer should be 8 if I did the math correctly, I am very sorry if it is wrong.
Answer:
23.7
Step-by-step explanation: