HomeMathematicsSome Applications of TrigonometryNCERT SolutionsNCERT ExercisesMathematics · Chapter 9NCERT ExercisesChoose an exercise to read every question with a complete, independently verified solution.ChapterSelect a chapterChapter 1: Real NumbersChapter 2: PolynomialsChapter 3: Pair of Linear Equations in Two VariablesChapter 4: Quadratic EquationsChapter 5: Arithmetic ProgressionsChapter 6: TrianglesChapter 7: Coordinate GeometryChapter 8: Introduction to TrigonometryChapter 9: Some Applications of TrigonometryChapter 10: CirclesChapter 11: Areas Related to CirclesChapter 12: Surface Areas and VolumesChapter 13: StatisticsChapter 14: ProbabilityResourceOverviewNCERT ExamplesNCERT ExercisesTextbookPrevious Year QuestionsQuestion BankHOTSModulesExercise / ExampleSelect an entryExercise 9.1Available nowChoose an exercise.Open an exercise below to read its questions and worked solutions.Exercise 9.115 solved questions