lauren360 lauren360

05-04-2018
Mathematics

contestada

How do I do question 10?

How do I do question 10 class=

Respuesta :

daelynnsanders8 daelynnsanders8

05-04-2018

The answer is
42° and 138° I believe.
Hope this is right

Answer Link

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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