Seudónimo Seudónimo
  • 23-04-2018
  • Mathematics
contestada

please help, thank you.

please help thank you class=

Respuesta :

prestonshelton
prestonshelton prestonshelton
  • 23-04-2018
Hello!

First we have to find the measurement of angle SRU.

180 - 84 = 96

96/2 = 48

Angle SRU = 48 + 90 = 138

All angles in a triangle add the 180

180 - 138 - 30 = 12

The answer is B)12°

Hope this helps!
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