Wooden door 2 metre 8 centimetre high and 1.2 metre white has 4 glass Panes fitted on it each pane is 40 cm by 20cm what is the area of the wood?
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Answer:
2.176m^2
Step-by-step explanation:
Door
Height= 2m8cm = 208cm
Width= 1.2m = 120cm
Total Area(A)= 120 x 208 = 24960cm^2
Glass Panes
Number of Panes(n)= 4
Dimensions= 40cm x 20cm
Total Area(a)= (4 x 40 x 20)cm^2 = 3200cm^2
Therefore, total area of wood= (A-a) = 21760cm^2 = 2.176m^2
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