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9th Class Mathematics Heron's Formula Question Bank Heron's Formula

  • question_answer
    The edges of a triangular board are 6 cm, 8 cm and 10 cm. What is the cost of painting it at the rate of 9 paise per\[~c{{m}^{2}}\]?

    A) Rs. 2.00            

    B) Rs. 2.16

    C)   Rs. 2.48         

    D)   Rs. 3.00

    Correct Answer: B

    Solution :

    Not Available


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