The surface area of a shape is the total area of all of the faces.
Triangle = bxh/2
Rectangle = bxh
Circle = πr2
Cone = πr2+ πrl ( l stands for slant)—————————————————————————————————————————————————————————
Here is a link to a quizlet for this book
https://quizlet.com/_5036md
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Maths GCSE Revision
NonfiksiThese are some GCSE Maths revision notes. It will take a while to finish but I hope it helps. 😊