CPM Homework Help : MC1 Problem 9-20

Draw each shape described below, if possible. If it is not possible, show or explain why not.

Draw a quadrilateral with four right angles.
Draw a quadrilateral with two acute and two obtuse angles.
Draw a quadrilateral with three obtuse angles and one acute angle.
Draw a quadrilateral with four acute angles.

Use the sliders in the eTool below to see which combinations of angles are possible. $2$ of them are possible. $2$ of them are not.
Click the link at the right for the full eTool version: 9-20 HW eTool