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dri16947
13.02.2021 •
Mathematics
Podłoga w łazience ma kształt kwadratu o boku 3 m. Ile płytek terakoty o wymiarach 10cm x 20cm wypełni podłoge ?
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Ответ:
Odpowiedź:
450 płytek
Wyjaśnienie krok po kroku:
Jeśli się uwzględni:
Kształt łazienki = kwadrat
Powierzchnia kwadratu = s²; gdzie, s = długość boku
Długość boku, s = 3m
Powierzchnia łazienki = 3² = 9m²
Wymiar płytek z terakoty = 10cm * 20cm
Powierzchnia płytek = 10 * 20 = 200 cm²
1 m² = 100 * 100 = 10000 cm²
W związku z tym,
Powierzchnia łazienki:
9m² = (10000 * 9) = 90000 cm²
Liczba płytek:
Powierzchnia łazienki / Powierzchnia jednej płytki
90 000 cm² / 200 cm²
= 450 płytek
Ответ:
22/34 is your answer