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The area of a plane region or plane area refers to the area of a shape or planar lamina, while surface area refers to the area of an open surface or the boundary of a three-dimensional object. Area can be understood as the amount of material with a given thickness that would be necessary to fashion a model of the shape, or the amount of paint ...
This is a complete list of all 50 U.S. states, its federal district (Washington, D.C.) and its major territories ordered by total area, land area and water area. [1] The water area includes inland waters, coastal waters, the Great Lakes and territorial waters. Glaciers and intermittent bodies of water are counted as land area. [2]
Basal Area Factor (BAF) 5, 10, and 20 angle gauges result in PRFs of 3.89, 2.75, and 1.94 (feet inch −1) respectively. The metric equivalents of these PRFs are 0.467, 0.33, and 0.233 (m cm −1 ). When a tree is borderline, a series of measurements and calculations must be made to determine if the tree is in or out.
The surface area of a right prism is: +, where B is the area of the base, h the height, and P the base perimeter. The surface area of a right prism whose base is a regular n-sided polygon with side length s, and with height h, is therefore: = +.
A tidal prism is the volume of water in an estuary or inlet between mean high tide and mean low tide, [1] or the volume of water leaving an estuary at ebb tide. [2]The inter-tidal prism volume can be expressed by the relationship: P=H A, where H is the average tidal range and A is the average surface area of the basin. [3]
The volume of the cavity appears in the denominator because the spring constant of the air in the cavity is inversely proportional to its volume. [5] The area of the neck matters for two reasons. Increasing the area of the neck increases the inertia of the air proportionately, but also decreases the velocity at which the air rushes in and out.
Basal area is estimated by multiplying the count of "in" trees at a given point by the 'factor' of the prism. Prism factor is based on the angle of the prism, and prisms are available in different factors, expressed in both square feet/acre (5, 10, 20 BAF are most common) and square meters/hectare (1-5 BAF are common).
List of second moments of area; List of surface-area-to-volume ratios – Surface area per unit volume; List of surface area formulas – Measure of a two-dimensional surface; List of trigonometric identities – Equalities that involve trigonometric functions; List of volume formulas – Quantity of three-dimensional space