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  3. 9th Class
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9th Class Mathematics Sample Paper Sample Paper - 2 Term - 1

  • question_answer
        The perimeter of a triangular field is 450 m and its sides are in the ratio 13:12:5. Find the area of the triangle.  

    Answer:

                      Let the sides of triangle be                 and Perimeter                                     (1/2) So, the sides of triangle are   (1/2)                                                (1/2) (1/2)  Area of a triangle   (1/2)                                                                 (1) Hence, the area of a triangle is  


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