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

  • question_answer
    An umbrella is made by stitching 12 triangular pieces of cloth of two different colours as shown in figure. Each piece measures 40 cm, 40 cm and 18cm. How much cloth of each colour is required for the umbrealla?

    A) \[378\sqrt{3}\,c{{m}^{2}}\]                 

    B) \[756\sqrt{3}\,c{{m}^{2}}\]     

    C) \[252\sqrt{3}\,c{{m}^{2}}\]     

    D)   \[567\sqrt{3}\,c{{m}^{2}}\]   

    Correct Answer: A

    Solution :

    Not Available


You need to login to perform this action.
You will be redirected in 3 sec spinner