📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!

    Question

    Find the cost of canvas 1.75 m wide at Rs. 50 per metre

    required to build a conical tent of base radius 21 cm and height 28 cm.
    A Rs. 60,000 Correct Answer Incorrect Answer
    B Rs. 66,000 Correct Answer Incorrect Answer
    C Rs. 70,000 Correct Answer Incorrect Answer
    D Cannot be determined Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Here, r = 21 cm and h = 28 cm  Slant height, l = 35m Area of the tent =Area of canvas = rl = (   X 21 X 35)m² = 2310m² ∴ Length of canvas=    =  = 1320 m. ∴ Cost of canvas= 1,320 x 50 = Rs. 66,000

    Practice Next
    More Mensuration Questions
    ask-question