Solving an Obtuse Angle in a Hexagon with Parallel Sides

The video tutorial explains how to calculate angles in a hexagon, focusing on finding the obtuse angle DEF. It covers identifying interior angles, using a formula to find the total sum of interior angles, and calculating missing angles. The tutorial also discusses the allocation of marks for each step in the problem-solving process.

What is the final answer for angle DEF in the hexagon?

Describe the steps taken to calculate the missing angle EDC.

What formula is used to calculate the total sum of the interior angles for any polygon?