The outer length and breadth of a painting is 150cm*120cm.If there is a margin of 8cm width all around the painting, find the area of the acute panting (without margin).
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Answer:
150× 120 is the total area
150×8×2 +104×8×2 is the total area of the margin
therefore area of the acute painting = 150×120 - ( 150×8×2 +105×8×2)
=18000- ( 2400+1664)
=13936
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