Solve the riddle: I am a polygon. I have two right angles. I have only one pair of parallel sides. What am I?

A trapezoid, or any number of other polygons. A trapezoid is the polygon with the fewest sides fitting the criteria, however there are multiple polygons which suffice (since it was not specified that the polygon must be regular). A few examples should show how to generate a polygon with any number of sides what has two right angles and a single pair of parallel sides.

9.2: Polygons - Mathematics LibreTexts

Exploring Polygons, Part 1 - ppt download

Which quadrilaterals have two pairs of opposite sides that are

2-D and 3-D Figures Riddle Game. - ppt video online download

Printable Geometry Worksheets - Riddles

Properties of parallelograms (Geometry, Quadrilaterals) – Mathplanet

Angles, parallel lines and transversals (Geometry, Perpendicular

Little champs maths academy

Quadrilateral

Quadrilaterals: Classification

Solved DATE Polygon Puzzles for each problem, draw at least