Question

a quadrilateral can be constructed only if at least _ of its parts are known​

Answer 1

A quadrilateral can be constructed uniquely if the lengths of its four sides and a diagonal are given. A quadrilateral can be constructed uniquely if the lengths of its three sides and two diagonals are given.

Answer 2

There are two possibilities to construct a quadrilateral

• If the lengths of its four sides and a diagonal are given.
• If the lengths of its three sides and two diagonals are given.