Answer:
90°, 270°
Step-by-step explanation:
2r sin(Ф/2) = c
2r sin (Ф/2) = √2r
divide both sides by 2r
sin (Ф/2) = √2r/2r
sin(Ф/2) = √2/2
From the unit circle sin is √2/2 at 45°, and 135°
so Ф/2 = 45
Ф=90°
and Ф/2 = 135
Ф= 270°
Answer:
If you gave out 4 cookie to 
people you would have 5 cookies leftover, but if you gave out 12 cookie to people you would need 11 more cookies.
A=162sq......... bless up
6578 i don’t know don’t ask me bit
