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Mathematics, 22.07.2021 15:20 hrcatena

Một sân cỏ bóng đá hình chữ nhật có chiều rộng là a (m) và chiều dài là b (m) (a, b > 0).
Biết diện tích sân cỏ là 120 m2 và có chu vi
của sân cỏ là 46 m. Hãy tìm độ dài đường
chéo của sân cỏ bóng đá hình chữ nhật (hình
bên).

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Một sân cỏ bóng đá hình chữ nhật có chiều rộng là a (m) và chiều dài là b (m) (a, b > 0).
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