Quadrilaterals & polygons

What the problems look like

A few statements from this skill. Answers, hints and worked solutions live in the practice session.

1. Warm-up

   In quadrilateral $PQRS$, three of the interior angles measure $85^{\circ}$, $120^{\circ}$, and $104^{\circ}$. Find the measure of the fourth interior angle, in degrees.

2. Warm-up

   In quadrilateral $PQRS$, three of the interior angles measure $71^{\circ}$, $92^{\circ}$, and $112^{\circ}$. Find the measure of the fourth interior angle, in degrees.

3. Warm-up

   In quadrilateral $PQRS$, three of the interior angles measure $63^{\circ}$, $122^{\circ}$, and $36^{\circ}$. Find the measure of the fourth interior angle, in degrees.

Problems shown under their original terms: Generated (template, solver-computed).