berryemily354 berryemily354
  • 07-02-2018
  • Mathematics
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I need to know how you work this problem out

I need to know how you work this problem out class=

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cdw2014
cdw2014 cdw2014
  • 07-02-2018
(x-20) and x are complementary angles which means that they add to 90 degrees. Therefore we can set the sum of the two angles equal to 90 and solve for x.

(x - 20) + x = 90

2x - 20 = 90

2x = 110

x = 55 degrees
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