lauren360 lauren360
  • 05-04-2018
  • Mathematics
contestada

How do I do question 10?

How do I do question 10 class=

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daelynnsanders8
daelynnsanders8 daelynnsanders8
  • 05-04-2018
The answer is
42° and 138° I believe.
Hope this is right
Answer Link
quile78
quile78 quile78
  • 05-04-2018
Put it all in one big equation.

So 3x + 12x - 30 = 180

Then solve for x

so 15x=210

Therefore x=14

Plug in the numbers

3(14) = 42

12(14) - 30 = 138
Answer Link

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