Respuesta :

Answer:

90 degrees

Step-by-step explanation:

d=1-(1/3+1/4+1/6)=1-3/4=1/4 of the circle's area

1/4*360 degrees = 90 degrees

ballyho126

Answer:

angle of a = 1/3 * 360 = 120

angle of b = 1/4*360 = 90

angle of c = 1/6 * 360 = 60

angle of a,b,c,d :

360 = a +b+c+d

360-120-90-60=d

d=90°


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