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Preeti Dabral 2 years, 3 months ago
Area of one tile= (10x10)-100cm².
Area of kitchen floor = l×b
=(220x180) cm²
=(200 +20) (200-20)
=(200)² - (20)²
=40000-400
= 39,600 cm²
Total no of tiles needed=area of tiles needed
area of one tile
=39.600
100
therefore, 396 tiles will be needed.
4Thank You