miyahh07 miyahh07
  • 01-09-2020
  • Mathematics
contestada

Find x
A) 4
B) 4 root 2
C) 4 root 3
D) 8 root 3

Find x A 4 B 4 root 2 C 4 root 3 D 8 root 3 class=

Respuesta :

chikafujiwara
chikafujiwara chikafujiwara
  • 01-09-2020

This triangle is a 30-60-90 triangle, which you can just find by solving for the unknown angle in the triangle, making it a 30-60-90 triangle.

You'll need to memorize the side lengths for these triangles, but the side opposite from the hypotenuse (x in this case), will be half the length of the hypotenuse.

Meaning that [tex]2x=8[/tex]

So [tex]x=4[/tex]

Hope this helps.

頑張って!

Answer Link
Ck99 Ck99
  • 01-09-2020
sin60=x/8
Sqrt (3/4)=x/8
Sqrt 4= 2
Times each side with 8
x=4sqrt(3)

Hope this can help.
Answer Link

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