xfchfh
A right trapezoid has exactly one pair of perpendicular lines and is a quadrilateral.
trapezoid rhombus parellogrm
The only requirement for a trapezoid is that one pair of opposite sides be parallel. There could be trapezoids with a pair of perpendicular lines.
This is a trapezoid (or trapezum, depending on what country you live in).
Zero
Zero
None but it has end sides of equal lengths
yes
Yes, an isosceles trapezoid is one example.
xfchfh
To calculate the area of a trapezoid, you have to know the lengths of three sides because 1/2*(sum of parallel sides)*perpendicular height = area
A right trapezoid has exactly one pair of perpendicular lines and is a quadrilateral.
right triangle
trapezoid
trapezoid rhombus parellogrm
trapezoid