Find the volume of a right circular cone that has a height of 13.3ft and a base with a diameter of 9.4ft. Round your answer to the nearest tenth of a cubic foot.Answer: ft3
Q. Find the volume of a right circular cone that has a height of 13.3ft and a base with a diameter of 9.4ft. Round your answer to the nearest tenth of a cubic foot.Answer: ft3
Identify Volume Formula: Identify the formula for the volume of a right circular cone. The formula for the volume V of a right circular cone is V=31πr2h, where r is the radius of the base and h is the height of the cone.
Calculate Base Radius: Calculate the radius of the base of the cone.The diameter of the base is given as 9.4 feet. The radius (r) is half of the diameter, so r=2diameter=29.4=4.7 feet.
Substitute Values: Substitute the values of the radius and height into the volume formula.Using the radius r=4.7 feet and the height h=13.3 feet, we substitute these values into the volume formula: V=(1/3)π(4.7)2(13.3).
Calculate Volume: Calculate the volume using the substituted values.V=31π(4.7)2(13.3)=31π(22.09)(13.3)≈31π(293.597)≈97.8659π cubic feet.
Evaluate Expression: Evaluate the expression to find the volume in cubic feet. Using the approximation π≈3.14159, we get V≈97.8659×3.14159≈307.454 cubic feet.
Round Volume: Round the volume to the nearest tenth of a cubic foot. Rounded to the nearest tenth, the volume is approximately 307.5 cubic feet.