gffuiiT789 gffuiiT789
  • 22-01-2021
  • Mathematics
contestada

If your gonna answer thanks.
Can someone please get me the answer fast

If your gonna answer thanks Can someone please get me the answer fast class=

Respuesta :

ChoiSungHyun
ChoiSungHyun ChoiSungHyun
  • 22-01-2021

Step-by-step explanation:

Using Trignometry,

sin60° = BC/10.

=> BC = 10sin60°

= 10 * (√3/2) = 5√3 = 8.7. (1d.p.)

Answer Link
manissaha129
manissaha129 manissaha129
  • 23-01-2021

Answer:

[tex] \sin(60°) = \frac{BC}{10} \\ \frac{ \sqrt{3} }{2} = \frac{BC}{10} \\ BC = \frac{10 \sqrt{3} }{2} \\ BC= 5 \sqrt{3}\\\boxed{\red{BC= 8.7}}[/tex]

8.7 is the right answer.

Answer Link

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