vertical rectangle with a square on one side and slanted line on the other
page1-79.png page4-194.png page6-165.png page8-24.png page7-132.png
page8-24.png page3-121.png page1-79.png page4-194.png page7-132.png page7-14.png page6-38.png page6-216.png page6-165.png page4-241.png
correct, a skinny rectangle connected by a thin line to a shorter square