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Doss [256]
3 years ago
12

Trong mặt phẳng Oxy cho M (1;-1) ;N (3;2) ; P (0;-5) lần lượt là trung điểm của các cạnh BC,CA và AB của tam giác ABC . Hãy tìm

tọa độ điểm A.
Mathematics
1 answer:
Andru [333]3 years ago
6 0

Answer:

I really dont understand I'm really sorry

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In ΔKLM, k = 700 cm, l = 460 cm and ∠M=78°. Find the length of m, to the nearest centimeter.
pashok25 [27]

Answer:

753

Step-by-step explanation:

m^2 =700^2 +460^-2 −2(700)(460)cos78

m^2 = 490000+211600-2(700)(460)(0.207912)

m^2 = 490000+211600-133895.12889

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m=753.462=753

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