Consider the trapezoid below. What does h stands for?  

This refers to the nonparallel sides of a trapezium

This refers to the parallel sides of a trapezium.

Consider the trapezoid below. Which of the following sides are the bases? 

What type of trapezium has all its legs congruent?

Consider the trapezoid below. What does b stands for?  

Consider the trapezoid below. Which of the following sides are the legs? 

Consider the trapezoid below. What does a stands for?  

What type of trapezium has all two right angles?

What type of trapezium has none of its size and angles equal in measure?