Subjects geometry

Circle Measurements 0D9Ff4

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1. **State the problem:** Calculate the circumference and area of a circle with radius $r = 9.5$ inches. 2. **Formulas:** - Circumference of a circle: $$C = 2 \pi r$$ - Area of a circle: $$A = \pi r^2$$ 3. **Calculate the circumference:** $$C = 2 \pi \times 9.5 = 19 \pi$$ 4. **Calculate the area:** $$A = \pi \times (9.5)^2 = \pi \times 90.25 = 90.25 \pi$$ 5. **Final answers:** - Circumference: $$19 \pi \approx 59.69$$ inches - Area: $$90.25 \pi \approx 283.53$$ square inches These results use $\pi \approx 3.1416$ for decimal approximations.
9.5 inCircumferenceArea