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What is the approximate volume of the sphere If the radius is 9?
Volume of the sphere: 4/3*pi*9^3 = 972*pi cubic units
What is the volume of a cylinder 24 inches in diameter and 36 inches long?
The volume of a cylinder can be expressed asV = (pi)r2hwhere V is the volume, r is the radius, and h is the height. (The variables stuck together mean to multiply)If the diameter of the cylinder is 24 in, then the radius is half of that, or 12 in.And the height (length) is 36 in.V = (pi)r2hV = (pi)(12)2(36)V = (pi)(144)(36)So now, the volume is officially 5,184 times pi, but if you want to approximate, it would be16,286.016 in3
What is the volume of A cylinder has a radius of 3 cm and height of 3 cm?
Calculate the area of one circular face of the cylinder [pi (r2)], then multiply by the height of the cylinder. The answer will be approximate as pi is neither a terminating or repeating decimal. V=volume r=radius h=height V=[pi(r2)] h = [pi(32)] 3 =[pi (9)] 3 =(28.274) 3 =84.82 cm3 So, the volume of a cylinder with a radius and height of 3 cm will be approximately 84.82 cm3.
What is the approximate area of a circle with a radius of 7?
In a circle the area is A=pi*r2 so: A=pi*72 = pi*49 = 153.9380 So, an approximate value would be 153.94 square units
If the radius equals 2cm what is the circumference?
C = 2 * (pi) * (radius) So plug in 2 for radius C = 2 * (pi) * (2) C= 4(pi) If you need to approximate multiply 4 times 3.14. If you do not need to approximate then your answer is 4(pi)
