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Mathematics, 16.06.2021 19:30 nylahnwalker

Một vườn hoa dạng hình tròn có bán kính 5 m. Phần đất trồng hoa là phần tô trong hình bên. Kinh phí trồng là 50 000 đồng/m2. Hỏi số tiền cần để trồng hoa trên diện tích đất đó là bao nhiêu. Biết ABCD và MNPQ có AB=MQ= 5m

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Một vườn hoa dạng hình tròn có bán kính 5 m. Phần đất trồng hoa là phần tô trong hình bên. Kinh phí...
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