Question

name the characteristics a shape has to have to be defined as the following: quadrilateral triangle square

Explanation:

A quadrilateral is a closed - figure with 4 straight sides. A triangle is a closed - figure with 3 straight sides. A square is a quadrilateral with 4 equal straight sides and 4 right angles.

Answer:

quadrilateral: 4 straight sides and is a closed - figure
triangle: 3 straight sides and is a closed - figure
square: 4 equal straight sides, 4 right angles and is a closed - figure