Triangles and Transversals Transversals and exterior angle theorem Sum of interior angles= 180 Angle correspond to their opposite sides Triangle inequalities : x+y>z and x-y<z Pythagorean theorem and common combinations 3-4-5, 5-12-13 and 8-15-1 45-45-90 isosceles triangle 30-60-90 triangle and equilateral Similar triangles: same shape implies equal corresponding angles (side Area of triangle, area of equilateral triangle Circles Circumference and Arc length Circle area and Sector area Central angle theorem Inscribed triangle theorem Cylinder surface area and volume Coordinate geometry XY plane and quadrants Intercpets and slopes Y= mX+c distance between two points Parallel and perpendicular lines Solution for two lines Polygons Parallelogram, Rectangle, Rhombus and Square properties Trapezoid Interior angle sum Area formulae for all above and volume
GeometryTriangles and TransversalsOG12 PSOG12
DSMediumHardMediumHardTransversals and exterior angle theorem48,
5362, 20991132Sum of interior angles= 18056Angle correspond to
their opposite sides20Triangle inequalities : x+y>z and x-y
![Background Methods Results & ConclusionsMethods Design [quant → QUAL] Quant Data Collection. Phase 1: Quant. Phase 2: QUAL . Quant Data Analysis. QUAL Data Analysis . Integration](https://img.pdfslide.us/doc/110x75/6000faa49b2cd844807c19b1/background-methods-results-conclusions-methods-design-quant-a-qual-quant.jpg)
