Shalini wants to decorate a wall of her study room with square charts of side 2 m
costing ₹ 20 each. The wall is 6 m in length and 4 m in height. How many charts are
needed to cover the wall completely? What will be the total cost of the square charts? plz give me the ans and explanation
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Step-by-step explanation:
the surface area of square chart = 2×2=4m²
the surface area of rectangle wall =4×6=24m²
the number of charts required to cover the wall = 24/4
=6 charts
the total cost of square charts = 6×20
=120 Rs
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