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Proof. Let D and E be the midpoints of AC and BC. To prove:, =. Proof: is the common angle of and .. Since DE connects the midpoints of AC and BC, =, = and = = As such, and are similar by the SAS criterion.
The octant of a sphere is a spherical triangle with three right angles.. Spherical trigonometry is the branch of spherical geometry that deals with the metrical relationships between the sides and angles of spherical triangles, traditionally expressed using trigonometric functions.
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]
Siku Njema is a Swahili novel written by the Kenyan author, Ken Walibora.The novel was published in 1996 and written in the first person. The book deals with the life of a young man, Msanifu Kombo (nicknamed Kongowea Mswahili) who is born in Tanga, Tanzania and who faces family hardships with his single mother, who is a talented singer of taarab.