A wooden door, 2m 8 cm high and 1.2 m wide has 4 glass panes fitted on it .Each pane is 40 cm by 20 cm.What is the area of the wood?
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height and width of the door= 208cm and 120 cm
no. of glasses to be fitted on it = 4
Area of the door = 208*120
= 24,960sq.cm
Area of glass pane= 40*20
= 800sq.cm
Area of wood
___________
24960-800
=24160sq.cm
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