9.2 Special Right Triangles - WordPress.com · 09.04.2018  · 9.2 Special Right Triangles There...

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9.2SpecialRightTrianglesTherearetwotypesofspecialrighttriangles;45-45-90Trianglesand30-60-90Triangles45-45-90TrianglesIfatrianglehastwo45oanglesanda90oanglewhattypeoftrianglewoulditbe?

Example1:FindingLengthsina45-45-90TriangleFindthevalueofx.Writeyouranswerinsimplestform.30-60-90Triangles

Example2:Findthesidelengthsina30-60-90Triangle.Findthevaluesofxandy.Writeyouranswerinsimplestform.Tryonyourown.

Example3:ModelingwithMathematicsTheyieldsignisshapedlikeanequilateraltriangle.Estimatetheareaofthesign.Example4:FindingtheHeightofaRampAtippingplatformisarampusedtounloadtrucks.Howhighistheendofan80ftrampwhenthetippingangleis30o?45o?Homework:3-10,13,14,17,22,24,25*

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