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What is the area of the cross section of a sphere that is 3 units from the center of the sphere?
The cross section at this point forms a circle and its area is pi/32 which equals 9*pi square units. * * * * * Not quite. If the radius of the sphere is R units then the radius of the cross section is sqrt(R2 - 32) Therefore the cross sectional area is pi*(R2 - 32) square units.
How do you calculate cross sectional area of bar?
It depends on the cross section which may be circular, elliptical, square, rectangular or of a more complex shape.
What is formula to calculate the cross sectional area of 1m steel bar?
If the bar is circular then it is: pi*radius square
What is the area formula for a square?
The formula for the area of a square is s2 (sides squared)
What is the formula of cross sectional area for a coin?
Well, honey, the formula for the cross-sectional area of a coin is just π times the radius squared. So, measure that radius, square it, multiply by π, and voilà, you've got your cross-sectional area. Just don't go spending all that knowledge in one place, now.
