Introduction of Angles

Q. The rays that make up an angle are called and their common point or starting point is called .

1. the arms
2. the angle
3. the line
4. the vertex

Q. Depp is observing a lotus flower and its geometrical angles. Help him find the vertex in the given image.

1. B
2. C
3. D
4. A

Q. Smith's mathematics teacher displayed a geometrical figure in the class as shown below. Help him find the rays from point E.

1. ED and EF
2. DE and DF
3. FD and FE
4. None of the above

Q. Help Emma find the rays in the given figure.

1. OX and OY
2. O
3. XY
4. YX

Q. Help John find which of the following points represents the vertex.

1. X
2. O
3. Y
4. XY