A painting of sides 35 centimetre by 22cm is mounted onto to frame of of external dimension 45 centimetre buy 30cm find the cost of painted cube
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Step-by-step explanation:
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Length of photo = 35 cm
Width of photo = 22 cm
Length of frame = 45 cm
Width of frame = 30 cm
Now to find the area of border
Area of border = Outer area - Inner area
=(45×30) - (30×22)
=580sq cm
Hence the area of the border is 580 sq.cm.
hope it helps..☺️☺️
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