Can You Solve This 6th Grade Geometry Problem From China?
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Math topics:
Triangle geometryRight triangleTriangleAltitude (triangle)Isosceles triangleElementary mathematicsSquare rootCis (mathematics)RatioRatiosInverse trigonometric functionsTrigonometric functionsCoefficient of determinationAreaAreaPythagorean theoremArea of a diskTrigonometryTrigonometrySineHypotenuseMathematical notationFormulaPlus and minus signsEquals signElementary arithmeticOne halfSubtractionDivision (mathematics)