One Atta Time Flash Cards Distance Learning Create New Sheet Select a Worksheet > Version 1 Version 2 Version 3 Version 4 Version 5 Version 6 Version 7 Version 8 Version 9 Version 10 Grab 'em All Identifying Right Triangles 4g2 Spot whether a triangle has a square corner (a 90° angle).Tell the difference between right triangles and triangles that have no 90° angle.