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Line (geometry) wikipedia , lookup
Technical drawing wikipedia , lookup
Rational trigonometry wikipedia , lookup
Multilateration wikipedia , lookup
History of geometry wikipedia , lookup
History of trigonometry wikipedia , lookup
Trigonometric functions wikipedia , lookup
Euler angles wikipedia , lookup
Integer triangle wikipedia , lookup
Geometry The internal angles of a triangle add up to 180 º The internal angles of a Quadrilateral add up to 360 º Triangles Quadrilaterals Scalene = all three sides different Trapezium = one pair of sides parallel Isosceles = two sides same length Parallelogram = two pairs of sides parallel Right Angled = one right angle Rectangle = four right angles Equilateral = all sides equal Square = four equal sides