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Shoelace scheme for determining the area of a polygon with point coordinates (,),..., (,). The shoelace formula, also known as Gauss's area formula and the surveyor's formula, [1] is a mathematical algorithm to determine the area of a simple polygon whose vertices are described by their Cartesian coordinates in the plane. [2]
The Golden Triangle of Jakarta (Indonesian: Segitiga Emas Jakarta), also referred to as the Medan Merdeka–Thamrin–Sudirman Axis (Indonesian: Poros Medan Merdeka–Thamrin–Sudirman) or the Sudirman–Thamrin–Kuningan Axis (Indonesian: Poros Sudirman–Thamrin–Kuningan), is a roughly triangular area in the center of Jakarta, Indonesia, extending from Central Jakarta to South Jakarta.
The siku is originally from the Aymaras of Peru and Bolivia, where a woman would play her siku as she came down from the mountains.Since the largest siku has every note (A-G), and was too big for the woman, they often got two sikus (usually smaller ones) that would be played together with someone else, so they could play them continuously after each other and thus the scales could fully be played.
Orthosilicic acid has calculated dissociation potentials pK a 1 = 9.84, pK a 2 = 13.2 at 25 °C. Silicic acids and silicates in solution react with molybdate anions, yielding yellow silicomolybdate complexes. This reaction has been used to titrate the content of silicon in water solutions and determine their nature.
MV Sinar Bangun was travelling from Simanindo Harbour in Samosir Regency on the north of Samosir Island to Tiga Ras Harbour in Simalungun Regency. Officials stated that many of the passengers were tourists who had traveled with families to Lake Toba, Indonesia's largest super-volcano lake. It was the holiday season in Indonesia, and the ferry ...