GCSE Secondary Maths Age 13-17 - Geometry & Measures: Similar Shapes - Explained

The video tutorial explains how to solve a geometry problem involving a photo and a card. The card is cut to be mathematically similar to the photo, and the task is to find the scale factor and calculate the dimensions of the remaining card. The tutorial emphasizes the importance of understanding mathematical similarity and using the scale factor to solve the problem. It concludes with a breakdown of how marks are allocated for the solution.

What were the dimensions of the original card before cutting?

What is the value of X as calculated in the text?

Describe the importance of the scale factor in solving the problem.