Question

) In the figure, AD = 60 m. ZB = 60°. ZC = 30°. Find BC.​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

$\sqrt{3}$Answer:

80$\sqrt{3}$

Step-by-step explanation:

Tan 60 = 60 / BD

$\sqrt{3}$ = 60/BD

BD = 20 $\sqrt{3}$

Tan 30 = 60 / DC

1 / $\sqrt{3}$= 60 / DC

DC = 60$\sqrt{3}$

BC = 60$\sqrt{3}$ + 20$\sqrt{3}$

     = 80$\sqrt{3}$