how many square metre of glass will be required for Windows which has 10 Pence each measuring 25cm by 16cm
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Answer:
Dimensions of the each glass pane is,
Length = l = 25 cm,
Breadth = b = 16 cm
Area of the one pane = length × breadth
= 25 cm × 16 cm
Area of the 10 panes = 10 × 25cm × 16 cm
= 10 × 25 × ( 1/100 ) m × 16 × (1 /100)m
= ( 4 / 10 ) m^2
= 0.4 square meters.
Therefore ,
0.4 square meter glass required for windows.
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