a hall has rhombus shaped tiles of diognal 45cm 30cm find the area of tiles cost of polishing if cost per cm calculat number of tiles used to cover 8640cm area of that hall
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Step-by-step explanation:
one tile=1/2*30*45
=15*45
=675cm^2
no. of. tiles*675=8640
no. of. tiles=8640/675
no. of. tiles=12
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