A trapezoid is a convex quadrilateral with two parallel sides, called the bases, and the remaining sides are called the lateral sides. The formula for calculating the perimeter of a trapezoid and the ...

A trapezoid is a convex quadrilateral with two opposite parallel sides, these are called the two bases of the trapezoid, the remaining two sides are the two lateral sides. The height of a trapezoid is ...

A trapezoid, also known as a trapezium in some parts of the world, is a quadrilateral with two parallel sides called bases, and two non-parallel sides called legs. The area of a trapezoid can be ...