(a)[1]
A quadrilateral that has just one pair of parallel sides is called a .......................................... .
(b)[1]
An angle greater than $90^{\circ}$ but less than $180^{\circ}$ is known as .......................................... .
Mathematics 0580 · IGCSE · Geometrical terms
A quadrilateral that has just one pair of parallel sides is called a .......................................... .
An angle greater than $90^{\circ}$ but less than $180^{\circ}$ is known as .......................................... .