Seudónimo
Seudónimo
23-04-2018
Mathematics
contestada
please help, thank you.
Respuesta :
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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