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:
-4
Step-by-step explanation:
3+1 = 4 so just put a dash at the start and you ger -4
Answer:
40/27
Step-by-step explanation:
convert mixed number into improper fraction
4/3×2/3×5×1/3
calculate the product
40/27
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➷ 12 : 40
==> 3 : 10
<h3><u>✽</u></h3>
➶ Hope This Helps You!
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I think that the answe my be b
