Match words with suitable sentences:

1, scissors                                   A, thùng rác

2, bicycle                                    B, bản đồ

3, compass                                 C, com pa

4, Physics                                   D, keo dán

5, lunch box                               E, cái kéo

6, bookcase                                F, máy tính

7, calculator                               G, xe đạp

8, glue                                        H, kệ sách

9, map                                        I, hộp đựng ăn trưa

10, bin                                        K, môn Vật lí

Match words with suitable sentences:

1, scissors                                   A, thùng rác

2, bicycle                                    B, bản đồ

3, compass                                 C, com pa

4, Physics                                   D, keo dán

5, lunch box                               E, cái kéo

6, bookcase                                F, máy tính

7, calculator                               G, xe đạp

8, glue                                        H, kệ sách

9, map                                        I, hộp đựng ăn trưa

10, bin                                        K, môn Vật lí

Match words with suitable sentences:

1, scissors                                   A, thùng rác

2, bicycle                                    B, bản đồ

3, compass                                 C, com pa

4, Physics                                   D, keo dán

5, lunch box                               E, cái kéo

6, bookcase                                F, máy tính

7, calculator                               G, xe đạp

8, glue                                        H, kệ sách

9, map                                        I, hộp đựng ăn trưa

10, bin                                        K, môn Vật lí

Match words with suitable sentences:

1, scissors                                   A, thùng rác

2, bicycle                                    B, bản đồ

3, compass                                 C, com pa

4, Physics                                   D, keo dán

5, lunch box                               E, cái kéo

6, bookcase                                F, máy tính

7, calculator                               G, xe đạp

8, glue                                        H, kệ sách

9, map                                        I, hộp đựng ăn trưa

10, bin                                        K, môn Vật lí

Match words with suitable sentences:

1, scissors                                   A, thùng rác

2, bicycle                                    B, bản đồ

3, compass                                 C, com pa

4, Physics                                   D, keo dán

5, lunch box                               E, cái kéo

6, bookcase                                F, máy tính

7, calculator                               G, xe đạp

8, glue                                        H, kệ sách

9, map                                        I, hộp đựng ăn trưa

10, bin                                        K, môn Vật lí

Two rays sharing an initial point opposite will form:

Given a figure. How many angles are there ?

How many rays sharing an initial point to form 21 angles ?

Look at figure. How many straight angles are there in the figure ?

Look at figure. How many angles are there in the figure ?

Look at figure, read the name of straight angles in the figure ?

Point M is inside angle xOy which is not a straight angle :

How many angles that formed by two rays sharing an initial point ?

To set correct definition of angle :

 To set correct definition of straight angle :