Finding the area of compound shapes

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GCSE Maths revision tutorial video.

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thank for your video post sir but i have a question in your two first questions once you add thr first question in area of rectangle +area of triangle and second question you subtract the area of rectangle - area of triangle what is the difference

mahmedabdirahman
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Very Good but I reccomend getting a new mic because my ears are dead and I am using pretty high quality headphones

tahjjake
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Using just about and probably are not reassuring when it comes to solving math problems. I need steps and facts.

Ava-qfvy
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When can I add and when can I subtract at the end of the solution?

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Hi I'm stuck on a past paper question for my homework. It goes like this "The areas of the colours red, white and blue on the Union Jack flag are in the ratio 10:8:7. One large flag has an area of 200m2. As an estimate, what area of this flag is coloured blue?" How do I work this out? Your videos are a huge help for GCSE's thank you =)

karateprincess