The temperature at dawn was ─6°F. By noon the temperature had risen 12°F. What was the temperature at noon?
2 answers:
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Answer:
A. Intercepted arc.
Step-by-step explanation:
From Geometry we know that arc (), dimensionless, is measured by the following equation:
(1)
Where:
- Central angle, measured in radians.
- Radius, dimensionless.
If the circle has a radius of 1. Then, we notice that arc is directly proportional to the central angle. Hence, the right answer is A.