amauris77748
03.12.2021 •
Mathematics
Help me please don't spam
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Ответ:
Step-by-step explanation:
Area of the outer road = 30×30 = 900m²
Area of the inner road = (30-1-1)(30-1-1) =28×28= 784m².
Area of the path = (900-784)m² = 116m².
cost =Rs. (116×70) = Rs.8120
hope this helps you.
Ответ: