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How many square metres of glass …

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How many square metres of glass will be required for a window , which has 12 panes,each pane measuring 25cm by 16cm ?

    • Posted by Ritiv Banerjee 8 years ago

    CBSE > Class 07 > Mathematics
    • 1 answers

    Rajeev Malhotra 8 years ago

    Area of each pane = 25 cm x 16 cm = 400 cm2

    Area of 12 panes = 12 x 400= 4800 cm 2

    Area in m2 = 4800/100 x100 = 48/100 = 12/25 = 0.48 m2

     

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