Seudónimo
Seudónimo
23-04-2018
Mathematics
contestada
please help thanks very much
Respuesta :
mkryukova19
mkryukova19
23-04-2018
angle=1/2(big arc-small arc)
x=1/2(360-x)-x
2x=360-2x
4x=360
x=360/4=90
Answer 90⁰
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