a quadrangle with only one right angle
how do you draw a quadrangle that has at least 1 right angle.
If the question is about only one right angle, then the answer is a kite, arrowhead or a miscellaneous quadrangle which has no specific name.
I'm guessing a right-angled quadrangle.
Draw a square / rectangle, a quadrangle is just a shape with 4 sides, as long as one is a right angle your golden
Two possibilities are a kite, or an irregular quadrilateral with one right angle!
maybe a trapezoid?