Question

what is s trapezium ? when do you call a trapezium an isosceles trapezium ? draw an isosceles trapezium. measure its sides and angles.

Answer 1

a trapezium is a figure in which a pair of opposite sides are parallel. a trapezium is called an isosceles trapezium If the non parallel sides are equal.

Answer 2

trapezium is a quadrilateral with four sides.
one pair of its opposite sides are parralel and the pther pairs are non parallel.
if the non parallel sides are of equal lenght then it will become an isosceles trapezium.