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Find the volume of a right circular cone that has a height of 
14.1ft and a base with a radius of 
15.7ft. Round your answer to the nearest tenth of a cubic foot.
Answer: 
ft^(3)

Find the volume of a right circular cone that has a height of 14.1 ft 14.1 \mathrm{~ft} and a base with a radius of 15.7 ft 15.7 \mathrm{~ft} . Round your answer to the nearest tenth of a cubic foot.

Full solution

Q. Find the volume of a right circular cone that has a height of 14.1 ft 14.1 \mathrm{~ft} and a base with a radius of 15.7 ft 15.7 \mathrm{~ft} . Round your answer to the nearest tenth of a cubic foot.
  1. Calculate Radius Squared: The formula to calculate the volume of a right circular cone is V=(13)πr2hV = (\frac{1}{3})\pi r^2 h, where rr is the radius of the base and hh is the height of the cone. We are given the radius r=15.7r = 15.7 ft and the height h=14.1h = 14.1 ft.
  2. Multiply Radius Squared by Height: First, we square the radius: (15.7ft)2=246.49ft2(15.7 \, \text{ft})^2 = 246.49 \, \text{ft}^2.
  3. Apply Cone Volume Formula: Next, we multiply the squared radius by the height: 246.49ft2×14.1ft=3475.409ft3246.49 \, \text{ft}^2 \times 14.1 \, \text{ft} = 3475.409 \, \text{ft}^3.
  4. Round to Nearest Tenth: Now, we multiply this result by 13\frac{1}{3} to apply the formula for the volume of a cone: (13)×3475.409ft3=1158.4697ft3\left(\frac{1}{3}\right) \times 3475.409 \, \text{ft}^3 = 1158.4697 \, \text{ft}^3.
  5. Round to Nearest Tenth: Now, we multiply this result by 13\frac{1}{3} to apply the formula for the volume of a cone: (13)×3475.409 ft3=1158.4697 ft3\left(\frac{1}{3}\right) \times 3475.409 \text{ ft}^3 = 1158.4697 \text{ ft}^3.Finally, we round the result to the nearest tenth: 1158.4697 ft31158.5 ft31158.4697 \text{ ft}^3 \approx 1158.5 \text{ ft}^3.

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