Answer :
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
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