What is the difference between a triangle and a quadrilateral?

Sure, here's the difference between a triangle and a quadrilateral:

Triangle:

• A triangle is a polygon with 3 sides and 3 angles.
• The angles of a triangle add up to 180 degrees.
• A triangle has a specific area and perimeter.

Quadrilateral:

• A quadrilateral is a polygon with 4 sides and 4 angles.
• The angles of a quadrilateral add up to 360 degrees.
• A quadrilateral has a specific area and perimeter.
• A quadrilateral can be classified as a triangle if it has 3 equal sides and 3 equal angles.