xoxonene xoxonene
  • 24-04-2020
  • Mathematics
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Can someone plz help me with this I’m not understanding this
(The answer is not b)

Can someone plz help me with this Im not understanding this The answer is not b class=

Respuesta :

PollyP52 PollyP52
  • 24-04-2020

Answer:

D.  m = 20 , n = 10.

Step-by-step explanation:

The sine of 60 is √3/2, so

sin 60 =  10√3 / m = √3/2

√3 m = 20 √3

Divide both sides by √3:

m = 20.

cos 60 = 1/2 =  n / 20

2n = 20

so n = 10.

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