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Perimeter. Perimeter is the distance around a two dimensional shape, a measurement of the distance around something; the length of the boundary. A perimeter is a closed path that encompasses, surrounds, or outlines either a two dimensional shape or a one-dimensional length. The perimeter of a circle or an ellipse is called its circumference .
Circular segment. A circular segment (in green) is enclosed between a secant/chord (the dashed line) and the arc whose endpoints equal the chord's (the arc shown above the green area). In geometry, a circular segment or disk segment (symbol: ⌓) is a region of a disk [1] which is "cut off" from the rest of the disk by a straight line.
Western Wall. The Western Wall (Hebrew: הַכּוֹתֶל הַמַּעֲרָבִי, romanized: HaKotel HaMa'aravi, lit. 'the western wall', [1] often shortened to the Kotel or Kosel), known in the West as the Wailing Wall, and in Islam as the Buraq Wall (Arabic: حَائِط ٱلْبُرَاق, Ḥā'iṭ al-Burāq ['ħaːʔɪtˤ albʊ'raːq]), is a portion of ancient limestone wall in the ...
The hydraulic diameter, DH, is a commonly used term when handling flow in non-circular tubes and channels. Using this term, one can calculate many things in the same way as for a round tube. When the cross-section is uniform along the tube or channel length, it is defined as [ 1][ 2] where. P is the wetted perimeter of the cross-section.
Area is the measure of a region 's size on a surface. 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 ...
The area of a regular polygon is half its perimeter multiplied by the distance from its center to its sides, and because the sequence tends to a circle, the corresponding formula–that the area is half the circumference times the radius–namely, A = 1 2 × 2πr × r, holds for a circle.
The Gaza Strip is 41 kilometres (25 miles) long, from 6 to 12 km (3.7 to 7.5 mi) wide, and has a total area of 365 km 2 (141 sq mi). [29] [30] With around 2 million Palestinians [31] on approximately 365 km 2 (141 sq mi) of land, Gaza has one of the world's highest population densities.
Song structure. It has been suggested that this article be into Musical form. () Proposed since July 2024. Song structure is the arrangement of a song, [1] and is a part of the songwriting process. It is typically sectional, which uses repeating forms in songs. Common piece-level musical forms for vocal music include bar form, 32-bar form ...