एक कमरे की लम्बाई एवं चौड़ाई 20 मीटर एवं 12 मीटर है उस कमरे के फर्श को पूरा बिछाने के लिये 4 मीटर भुजा वाली वर्गाकार टाइलों की संख्या क्या हागी
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Answer:
= 15 pieces
Step-by-step explanation:
area of rectangle = L× B
= 20×12
= 240 m²
area of marble = S×S
= 4×4
= 16 m²
= area of rectangle ÷ area of marble
= 240÷ 16
= 15
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