How many pair of sides are parallel in trapezium?

In right trapezium how many angles are right angles?

Find the area of trapezium whose bases are a and b and height is h.

Complete:

The distance between parallel side of trapezium is called____

Complete:

In Isosceles trapezium the legs are ____.

Complete:

The non-parallel side of trapezium is called____

Find the sum of all angles of a trapezium.

Find the area of trapezium if $a=7$ , $b=3$ and $h=4$ .

Complete:

The parallel side of trapezium is called____.

1.  Find the perimeter of trapezium whose side are $a,b,c$ and $d$ .