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dozsyerra
17.10.2021 •
Mathematics
Ab= 6cm Ac=12cm
Calculate the length of Ad
Give your answer to 3 significant figures
Solved
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Ответ:
12.686cm
Step-by-step explanation:
By using pythagoras, we can find CB.
We know that![a^2+b^2=c^2](/tpl/images/2510/2007/7bfa7.png)
Therefore,![12^2-6^2=CB^2](/tpl/images/2510/2007/6c1b8.png)
now we look at triangle BCD and use SOH CAH TOA.
Ответ:
9
Step-by-step explanation:
guess