Yailynn598
23.08.2019 •
Mathematics
Plz answer this question asap!
how many square tiles of side 20 cm are needed to cover the floor?
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Ответ:
Step-by-step explanation:
there are many ways to solve this soo...
1. convert to centimetres (there are 100 centimetres in 1 metre)
2. the square tiles area =
2. find the large area (4.8m x 3.8m or 480cm x 380cm)
2. find the two smaller areas (1.2m x 1.8m or 120cm x 180cm)
3. add to find total area
4. find how many tiles are needed
Ответ:
Are opposite on the vertical