thanhhuu thanhhuu

02-09-2021
Mathematics

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cho tam giac abc vuong tai a, goc abc=60 do canh ab=5cm . tinh ac

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thaonguyen1 thaonguyen1

02-09-2021

Answer:

Δ abc vuong tai a, goc abc = 60°, canh ab = 5cm

tan abc = tan 60° = [tex]\frac{AC}{AB}[/tex]

⇒ AC = AB × tan 60° = 5√3

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