A composite shape is made up of two triangles, as shown in the diagram below.

Two angles,   and  , are shown on the diagram.
 

Which one of the following statements is always true?

A clock displayed the time one o'clock, as shown on the diagram below.
 

The angle, , between the small hand and the large hand is

In triangle  , the point    lies on the line  , as shown in the diagram below.
 

The length of the line    is equal to the length of the line  .

Which one of the following statements is true?

1. The angle    is equal to the angle  .
2. The angle    is equal to the angle  .
3. The sum of the angle    and the angle    is equal to 180°.
4. The sum of the angle    and the angle    is equal to 180°.
5. The sum of the angle    and the angle    is equal to the angle  .

The size of the angle is

A.     

B.    

C.     

D.   

E.   

A 50 cent coin has 12 sides of equal length.

Two 50 cent coins are balanced next to each other on a table so that they meet along one edge, as shown below.
 

The angle, , is

A.   

B.   

C.   

D.   

E.    

For the isosceles triangle shown above, the value of    is

A.   

B.   

C.   

D.   

E. 

In triangle , and .

The value of is

A.   

B.   

C.   

D.   

E.   

The value of in the diagram above is