Area of boat sails (Pythag)



GCSE Marks:

GCSE Text:



This has proven to be a popular video for students of a wide range of ages and abilities. Discussions are often healthy around which dimensions/measurements they should use to find the area of a triangle, and what the formula is.  Boat C has a hidden problem of a missing sail height, so students should be encouraged to spot the pattern of triangle side/hypotenuse, or use Pythagoras. It normally takes 5-8 minutes to solve, and of course in a GCSE question of this type, method marks would be awarded even the final answer isn’t correct due to an arithmetic error.

Extension Ideas:
Teachers could extend the learning by considering:


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