KS2 Primary Maths Age 9-13 - Geometry: Angles in Shapes - Explained

The video tutorial explains how to identify a pentagon with four acute angles. It begins by defining a pentagon as a shape with five sides and then describes acute angles as those smaller than a right angle. The tutorial guides viewers through the process of eliminating shapes that do not meet the criteria and concludes by identifying the correct pentagon with four acute angles.

Why was one of the shapes crossed out in the selection process?

What did the teacher conclude about the correct Pentagon diagram?