A-Level DT - Product Design (Maths Questions) Explained (AQA Nov 2021 Paper 2)

Hi Everyone,
I'm Mr. Wilson, a Qualified Maths Teacher and Associate Member of the Institute of Mathematics. In this video I explain the maths questions on the AQA A-Level Design and Technology - Product Design November 2021 Paper 2, in great detail.
0:00 Intro
1:40 Question 2
8:35 Question 11
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[@john.smith12]

unrelated, but just to let you know paper 2 of gcse maths went very good! I used a further maths topic to check my answer and it actually helped me believe it or not.