I dont understand how to do this | Mathematics | Page 1

lilac wyvern Feb 27, 2023, 10:32 PM

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actually i just had a crack at it, is this correct?

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ebon bolt Feb 27, 2023, 10:45 PM

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Looks good to me 👍

lilac wyvern Feb 27, 2023, 10:48 PM

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@ebon bolt can you help me out with another question I have?

ebon bolt Feb 27, 2023, 10:49 PM

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Sure, just post it here

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I actually need to go but maybe another helper will get on it

lilac wyvern Feb 27, 2023, 10:50 PM

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alright

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need help with 7. A and B

ebon bolt Feb 27, 2023, 11:12 PM

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Corresponding sides of similar triangles are proportional, so for (a), note that AD/AC = BE/DC

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Note that ||AC = 4.5 + AD||

simple iron Feb 28, 2023, 2:23 AM

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a) (DE + 5)/5 = 9/4
4DE + 20 = 36
4DE = 16
DE = 4
AD = 5 + 4 = 9
b) (4.5 + AB)/AB = 9/4
18 + 4AB = 9AB
5AB = 18
AB = 18/5 = 3.6

stable laurel Feb 28, 2023, 2:47 AM

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yo ewhats up homies

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my name is wogbo bart

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i am coooool

#I dont understand how to do this