Find the circumference and area of a circle of diameter of 28 cm.

Explanation

To find the circumference and area of a circle with a diameter of 28 cm, we can follow these steps:

### Step 1: Find the radius of the circle.
The radius (R) is half of the diameter.
\[ R = \frac{\text{Diameter}}{2} = \frac{28 \text{ cm}}{2} = 14 \text{ cm} \]

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