Answer:
B the set of all natural numbers and the ser of all
Answer:
c. first quadrant
Step-by-step explanation:
First Quadrant : 0° to 90°
Second Quadrant : 90° to 180°
Third Quadrant : 180° to 270°
Fourth Quadrant : 270° to 360° (or 0°)
The ratio in simplest form would be 1:2:2.
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