Question

how to make a quadrilateral

Answer 1

any shape like square rectangle etc with the sum of its angles equal to 360 is a quadrilateral

Answer 2

A quadrilateral can be constructed uniquely, if we know any one of the following:

i. Four sides and one diagonal

ii. Four sides and one angle

iii. Two diagonals and three sides

iv. Two adjacent sides and three angles

v. Three sides and two included angles