Answer:

Step-by-step explanation:
Give me brainllest
Answer:
we can call a 21 sided polygon as henicosagon.
Answer:
1 ) ∠1 = 105 ∠2 = 75
2) ∠1 = 50 ∠2 = 50
Step-by-step explanation:
27.12 - 4.8 = 22.32
Multiply by one 22.32= 22.32
2x2= 4
22.32 - 4 = 18.32
Answer:
1/2 is the answer.................