QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
Find the circumference and area of a circle with a diameter of 14 inches. Leave your answers in terms of π.
A. C= 14π; A= 49π
B. C= 7π; A= 28π
C. C= 14π; A= 28π
D. C= 7π; A= 49π
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Answer
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Step 1: Write down the formula for the circumference and area of a circle.
The area of a circle is given by the formula $$A = πr^2$$, where $$r$$ is the radius of the circle.
Step 2: Find the radius of the circle.
The radius is half the diameter, so $$r = \frac{14}{2} = 7$$ inches.
We are given that the diameter of the circle is 14 inches.
Final Answer
So, the correct answer is B. C= 7π; A= 49π.
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