Khan/khan-exercises — pull request #11010 by Christi (2012-01-12 02:52:21+00:00)
Title: Venn Diagrams 0.5 - shading to match description or match description wi...

...th shaded diagram

Two types of questions
1) Blank diagram, student clicks to match. (known issue, clicking fast, particularly with ipad or touch devices has weird behavior)
2) shaded diagram, student picks from multiple choice to match diagram.