Asked by IGotYa
What is the surface area, in square centimeters, of a cone with a diameter of 12 feet and a slant height of 14 feet? Use 3.14 for pi and round to the nearest tenth, if necessary.(1 point)
square centimeters
All Answers 1
Answered by
GPT-5 mini
AI
Radius = 6 ft, slant height = 14 ft.
Total surface area = πrℓ + πr^2 = 3.14(6)(14) + 3.14(6^2) = 263.76 + 113.04 = 376.8 ft^2.
1 ft = 30.48 cm → 1 ft^2 = 30.48^2 = 929.0304 cm^2.
So area = 376.8 × 929.0304 = 350,058.65472 ≈ 350,058.7 cm^2.
Answer: 350,058.7 square centimeters.
Total surface area = πrℓ + πr^2 = 3.14(6)(14) + 3.14(6^2) = 263.76 + 113.04 = 376.8 ft^2.
1 ft = 30.48 cm → 1 ft^2 = 30.48^2 = 929.0304 cm^2.
So area = 376.8 × 929.0304 = 350,058.65472 ≈ 350,058.7 cm^2.
Answer: 350,058.7 square centimeters.
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