Cross-sectional area = pi*radius2
You cannot create a cross sectional area of a rectangle. You can only create cross sectional areas for triangular shapes.
the larger the cross sectional area, the smaller the resistance
reduction ratio= initial cross sectional area/final cross sectional area
To calculate the cross-sectional area of a shape, you need to determine the shape of the cross-section first (e.g., square, circle, triangle). Then, use the appropriate formula for that shape. For example, the formula for the cross-sectional area of a square is side length squared, for a circle it is pi times the radius squared, and for a triangle it is base times height divided by 2. Finally, plug in the given dimensions into the formula to calculate the cross-sectional area.
The cross-sectional area of a concrete slab is the total area of the slab when viewed perpendicular to its length and width. To calculate the cross-sectional area, you multiply the length of the slab by the width of the slab. This measurement is crucial for determining the amount of concrete needed for a project and for ensuring the structural integrity of the slab.
If the diameter doubles (x2), the cross-sectional area quadruples (x4).
It quadruples.
The cross-sectional area of a 10-inch round metal duct can be calculated using the formula for the area of a circle: A = πr^2, where r is the radius of the duct. For a 10-inch round duct, the radius would be half of the diameter (10 inches), so the radius is 5 inches. Plugging in this value into the formula gives A = π*5^2 = 25π square inches, or approximately 78.5 square inches.
If you double the diameter of a metal wire, you effectively double its radius as well. The cross-sectional area of a circular wire is given by the formula (A = \pi r^2). Therefore, if the radius is doubled, the new area becomes (A' = \pi (2r)^2 = 4\pi r^2), which means the cross-sectional area quadruples. Thus, when the diameter is doubled, the cross-sectional area increases by a factor of four.
Imagine the wire is straight, now cut through at right angle to the centre line, the exposed surface is the cross sectional area, on a round wire it = pi * radius2 (area of a circle)
You cannot create a cross sectional area of a rectangle. You can only create cross sectional areas for triangular shapes.
the larger the cross sectional area, the smaller the resistance
The answer depends on the cross-sectional area as well as the length.
Volume = cross sectional area * lengthArea = 2* cross sectional area + perimeter of cross section * length
Cross Sectional Area = Width x Average Depth
reduction ratio= initial cross sectional area/final cross sectional area
cross-sectional area = 0.5*(sum of parallel sides)*height