Content block: Hotspot
This content block contains a background image and several regions. The solver must select one or more regions. The areas may be visible or hidden. The solver selects a region by clicking on it with the mouse. The selected region will change color.
Click on the image to select areas. To cancel a selection, click on the selected area again.
Mark all the interior angles of the triangle BAC in the image.
Click on the right area in the picture.