a)MN;MP;NM;NP;PN;PM

B)NM và NP; 

c)MN trùng NP;

nhân hay phẩy để còn làm?

1,6 m = \(\frac{1}{10}m\)

C.M nằm ngoài (O)

chiều dài khu đất là:

22,5x1,5=33,75(m)

diện tích khu đất là:

33,75x22,5=759,375(m²)

I like Chu Van An secondary school since it is a very famous in Thai Nguyen,there are a lot of good students and experienced teachers working there.All of them are friendly and easy-going.The teachers is always willling to help their students.The scene of the school is also good-looking and our subjects and quite interesting.

Bài tham khảo nhé!!!

ko vao dc