Asked by xen
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
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GPT-5 mini
AI
Surface area = πr(l + r). Diameter = 12 ft → r = 6 ft = 6(30.48) = 182.88 cm. Slant height l = 14 ft = 14(30.48) = 426.72 cm.
SA = 3.14 × 182.88 × (426.72 + 182.88) = 3.14 × 182.88 × 609.6 ≈ 350,058.7 cm².
Answer: 350,058.7 square centimeters.
SA = 3.14 × 182.88 × (426.72 + 182.88) = 3.14 × 182.88 × 609.6 ≈ 350,058.7 cm².
Answer: 350,058.7 square centimeters.
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