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Surface area of a cylinder?
A cylinder of radius R and length L has a surface area equal to: Area = Area of 2 Circular Faces + Area of Tube = 2 * Pi * R2 + 2 * Pi * R * L Area = 2 * Pi * R * (R+L) where Pi = 3.14 (rounded) Another way to look at it is: 2 * Pi * R2 + Pi * d * h. H= height R= radius D= diameter 2= squared
The diameter and the height of a cylinder are equal the volume is 2 meters cubed. what is the height of the cylinder?
d = r/2 = 1.3656 V = pi x (d/2)2 x h h = d/2 and V = 2 (d/2)2 times h = 2/pi 2/pi = 0.636619772
What is the formula for calculating the area of a circle?
Area of circle = pie x (r squared) = πr^2 r = radius π = pie = 22/7 or 3.142
What is the ratio of the radii of a cone and a cylinder if they have the same volume and height?
Let the cylinder have radius R and height h Let the cone have radius r and same height h Then: Volume cylinder = πr²h Volume cone = ⅓πR²h If the volume are equal: ⅓πR²h = πr²h → ⅓R² = r² → R² = 3r² → R = √3 r → ratio radii cone : cylinder = 1 : √3
Pi x r2 x h?
The formula Pi x r^2 x h is used to calculate the volume of a cylinder, where "Pi" represents the mathematical constant approximately equal to 3.14159, "r" is the radius of the base of the cylinder, and "h" is the height of the cylinder. To find the volume, you square the radius (r^2), multiply it by Pi, and then multiply the result by the height (h). The formula is derived from the formula for the area of a circle (Pi x r^2) multiplied by the height of the cylinder.
How do you find area of a cylinder?
(2)(pie)(r)(h) + (2)(pie)(r - squared) = tot area of a cylinder
Which of the following formulas would find the Lateral Area of a right cylinder with height equal to h and r is the radius?
LA=2 pie rh
The following is the volume formula for a circular cylinder V equals pie r to the second power Solve for h?
H= v over pie r to the second
What is the volume a cylinder is pie times the radius r squared muitiplied by the height.write an expression for the volume.?
The volume ( V ) of a cylinder can be expressed using the formula ( V = \pi r^2 h ), where ( r ) is the radius of the base of the cylinder and ( h ) is its height. In this formula, ( \pi ) represents the mathematical constant approximately equal to 3.14159. By multiplying the area of the circular base (( \pi r^2 )) by the height (( h )), you obtain the total volume of the cylinder.
A sphere with a diameter of 16 meters has the same surface area as the total surface area of a right cylinder with the base diameter equal to the sphere diameter how high is the cylinder?
Surface Area of Sphere = 4*Pi*r2 Surface Area of Cylinder = 2*Pi*r2+2*Pi*r*h If we set them as equal: 4*Pi*r2 = 2*Pi*r2+2*Pi*r*h ' Factor out 2*Pi*r 4*Pi*r2 = 2*Pi*r*(r+h) ' Divide both sides by 2*Pi*r 2*r=r+h ' Subtract r from both sides r=h Diameter = 2*r so h=d/2 In this case, d=16m h=8m
What is the surface area of a cylinder if it has a height of 10 m and a radius of 2 m?
ANSWERED BY ROHAN CHANDRA: We know the formula: Total surface area of a cylinder = 2*pie*r (r+h) where,r = radius and h = height, value of pie = 22/7 or 3.14 (*= multiplication) Putting the following in the question: = 2*3.14*2*(2+10) =12.56*(12) =150.72 m
What is the volume of cone?
The volume of a cone is equal to 1/3*(pi)*r^2*h. r=radius pi=3.14 h=height
How do find the diameter of the circle in terms of pi?
perimeter of a circle = pie *r^2 Hence r^2 = perimeter/ pie hence r = (perimeter/Pie)^1/2 Hence diameter = 2r= 2* ( perimeter?pie) ^1/2
What is void volume in chromatography?
bed volume= pie*r square*h where, pie=3.14 r=radius of column h=height of column it is the total volume of column packed with the gel.
What is the surface area of half a sphere?
its 2 pie r squared BUT you have to add back the base (a circle) which is pie r2 The original formula is 4 pie r squared Your new formula is (2 pie r squared + pie r squared)
In a cylinder what is a number that can be added to either radius or height to give the same increase in volume?
Volume of a cylinder: V = pi * h * r^2 (where h=height and r=radius) So, plugging into the volume equation both possible scenarios and setting them equal to each other gives: pi * (r + x)^2 * h = pi * r^2 * (h + x) The pi's cancel and the squared terms give: (r^2 + 2rx + x^2) * h = (h * r^2) + (x * r^2) Simplifying and swapping terms: hx^2 + 2hrx - xr^2 = 0 hx^2 + x(2hr - r^2) = 0 hx^2 = -x(2hr - r^2) x = -(2hr - r^2)/h = (r^2 - 2hr)/h
How do you get the radius when you are given the circumference?
Let C be the circumference, r be the radius, and (pie)= 3.141592654 C = 2 x (pie)x r r = C ÷ (2 x (pie))
