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What is the formula for calculating surface area of a hemisphere?
The surface area of a whole sphere, of radius r, is 4*pi*r2.The area of the curved surface of a hemisphere is, therefore, 2*pi*r2.The area of the flat surface is that of a circle of radius r, that is = pi*r2.So the total surface area of a hemisphere is 2*pi*r2 + pi*r2 = 3*pi*r2.
How do you find a diameter?
To find the diameter of a circle you multiply the radius by 2 or d=r2
How do you find an area of a sector of a circle?
Multiply ( pi R2 ) by [ (angle included in the sector) / 360 ].
What is the formula for calculating the volume of liquid at a given height in a horizontal cylindrical tank?
It is pi*r2*h where r is the radius of the tank and h is the height of the liquid.
What is the formula for finding the volume of a circular ring with inner and outer radius?
pi(r2)of inner minus pi(r2) of outer. multiply height= volume or you could drop it in a beaker and see how much water was displaced
What is the formula for calculating area of a hemisphere?
1/2*pi*r2
What is the equation for calculating the area of a circle?
The equation for calculating the area of a circle is A r2, where A represents the area and r is the radius of the circle.
What is the formula for calculating the area of an o ring?
Area = pi*[R2 - r2] where R is the outer radius and r the inner radius.
Multiply r2 plus 7r plus 10 over 3 by 3r-30 over r2-5r-50?
multiply r2+7r+10/3 by 3r-30/r2-5r-50 weegy
What is the formulafor calculating the area of a circle?
Ï€*r2, where r is the radius of the circle.
What is the fa formula for calculating the area of a circle?
The formula for calculating the area of a circle is A r2, where A represents the area and r represents the radius of the circle.
What is the formula for calculating surface area of a hemisphere?
The surface area of a whole sphere, of radius r, is 4*pi*r2.The area of the curved surface of a hemisphere is, therefore, 2*pi*r2.The area of the flat surface is that of a circle of radius r, that is = pi*r2.So the total surface area of a hemisphere is 2*pi*r2 + pi*r2 = 3*pi*r2.
What is the formula for calculating the moment of inertia of a disk?
The formula for calculating the moment of inertia of a disk is I (1/2) m r2, where I is the moment of inertia, m is the mass of the disk, and r is the radius of the disk.
What is the formula for calculating the moment of inertia of a solid sphere?
The formula for calculating the moment of inertia of a solid sphere is (2/5) m r2, where m is the mass of the sphere and r is the radius of the sphere.
How do you find a diameter?
To find the diameter of a circle you multiply the radius by 2 or d=r2
What is formula for area of semi sphere?
Formula for calculating the area of a hemisphere... Area = (4 x pi x r2) / 2
What is the formula for calculating the moment of inertia of a hollow sphere?
The formula for calculating the moment of inertia of a hollow sphere is I (2/3) m r2, where I is the moment of inertia, m is the mass of the sphere, and r is the radius of the sphere.
