The side of a square board is 50 cm.A student has to draw its image in her notebook.If the drawing of the square board in the notebook has perimeter of 40 cm,then by which scale the figure has been drawn?
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perimeter of real board = 4*50=200cm
so
required scale = perimeter of drawn board / perimeter of real board
=40/200=1/5 =0.2
Hence it is drawn with a scale of x0.2
so
required scale = perimeter of drawn board / perimeter of real board
=40/200=1/5 =0.2
Hence it is drawn with a scale of x0.2
uttam1767:
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