Pythagoras theorem 3d | Revision Server | Page 1

tribal ore Jul 29, 2023, 6:51 PM

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Hi what have I done wrong here? Thanks

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btw my first steps were on the triangle BCF

iron crescent Jul 29, 2023, 6:54 PM

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this is how i would do it

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u can say CB is x as ur told it's a cube cut diagonally in half

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and all the sides of a cube are equal

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u can't do 30^2 / 3 and say that's 10^2

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u have to do 900/3

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that's where u went wrong @tribal ore

tribal ore Jul 29, 2023, 7:03 PM

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ive got it right now tysm for the help

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i forgot about them squared rules ill be mindful abt them now thanks

gloomy acorn Jul 31, 2023, 8:40 AM

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How come you guys still doing maths work aren’t you guys on summer holiday

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Or is it just to stay ahead in class

green timber Jul 31, 2023, 8:43 AM

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I don't blame them, many peoples comprehension, english and mathematical ability go down significantly

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After the summer holidays

gloomy acorn Jul 31, 2023, 9:20 AM

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I’m probably gonna need to revise since I’m going into y10

#Pythagoras theorem 3d