BlueTiger021 BlueTiger021
  • 08-04-2017
  • Mathematics
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Help? What formula do I use?

Help What formula do I use class=

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Аноним Аноним
  • 08-04-2017
Use proportions.
But remember; angle for angle, side for side.

[tex] \frac{4}{3} = \frac{7.5}{x} [/tex]
[tex]22.5=4x [/tex]
x=[tex] \frac{22.5}{4} [/tex]
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