A photograph of sides 35 cm by 22 cm is mounted onto a frame of external dimension 45 cm by 30 cm. Find the area of the border surrounding the photograph.
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area of. border= ar of (frame -photograph)
=45*30-35*22
=1350-770
=580 sqcm
=45*30-35*22
=1350-770
=580 sqcm
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