Instrucciones: Responde las siguientes preguntas.

• Calcula los valores de los arcos \(\stackrel{\textstyle\frown}{\mathrm{DA}}\) y \(\stackrel{\textstyle\frown}{\mathrm{BC}}\) en la siguiente figura.

  
  • \(\stackrel{\textstyle\frown}{\mathrm{DA}} = 86^{\circ}, \ \stackrel{\textstyle\frown}{\mathrm{BC}} = 30^{\circ}\)
  • \(\stackrel{\textstyle\frown}{\mathrm{DA}} = 94^{\circ}, \ \stackrel{\textstyle\frown}{\mathrm{BC}} = 34^{\circ}\)
  • \(\stackrel{\textstyle\frown}{\mathrm{DA}} = 85^{\circ}, \ \stackrel{\textstyle\frown}{\mathrm{BC}} = 43^{\circ}\)
  • \(\stackrel{\textstyle\frown}{\mathrm{DA}} = 98^{\circ}, \ \stackrel{\textstyle\frown}{\mathrm{BC}} = 34^{\circ}\)

• Calcula los valores de los arcos \(\stackrel{\textstyle\frown}{\mathrm{CB}}\) y \(\stackrel{\textstyle\frown}{\mathrm{AD}}\) en la siguiente figura.

  
  • \(\stackrel{\textstyle\frown}{\mathrm{CB}} = 45^{\circ}, \ \stackrel{\textstyle\frown}{\mathrm{AD}} = 84^{\circ}\)
  • \(\stackrel{\textstyle\frown}{\mathrm{CB}} = 33^{\circ}, \ \stackrel{\textstyle\frown}{\mathrm{AD}} = 85^{\circ}\)
  • \(\stackrel{\textstyle\frown}{\mathrm{CB}} = 51^{\circ}, \ \stackrel{\textstyle\frown}{\mathrm{AD}} = 87^{\circ}\)
  • \(\stackrel{\textstyle\frown}{\mathrm{CB}} = 42^{\circ}, \ \stackrel{\textstyle\frown}{\mathrm{AD}} = 78^{\circ}\)

• Calcula los valores de los arcos \(\stackrel{\textstyle\frown}{\mathrm{DA}}\) y \(\stackrel{\textstyle\frown}{\mathrm{BC}}\) en la siguiente figura.

  
  • \(\stackrel{\textstyle\frown}{\mathrm{DA}} = 165^{\circ}, \ \stackrel{\textstyle\frown}{\mathrm{BC}} = 85^{\circ}\)
  • \(\stackrel{\textstyle\frown}{\mathrm{DA}} = 168^{\circ}, \ \stackrel{\textstyle\frown}{\mathrm{BC}} = 76^{\circ}\)
  • \(\stackrel{\textstyle\frown}{\mathrm{DA}} = 163^{\circ}, \ \stackrel{\textstyle\frown}{\mathrm{BC}} = 77^{\circ}\)
  • \(\stackrel{\textstyle\frown}{\mathrm{DA}} = 173^{\circ}, \ \stackrel{\textstyle\frown}{\mathrm{BC}} = 71^{\circ}\)

• Calcula los valores de los arcos \(\stackrel{\textstyle\frown}{\mathrm{DA}}\) y \(\stackrel{\textstyle\frown}{\mathrm{BC}}\) en la siguiente figura.

  
  • \(\stackrel{\textstyle\frown}{\mathrm{DA}} = 113^{\circ}, \ \stackrel{\textstyle\frown}{\mathrm{BC}} = 51^{\circ}\)
  • \(\stackrel{\textstyle\frown}{\mathrm{DA}} = 105^{\circ}, \ \stackrel{\textstyle\frown}{\mathrm{BC}} = 49^{\circ}\)
  • \(\stackrel{\textstyle\frown}{\mathrm{DA}} = 110^{\circ}, \ \stackrel{\textstyle\frown}{\mathrm{BC}} = 46^{\circ}\)
  • \(\stackrel{\textstyle\frown}{\mathrm{DA}} = 111^{\circ}, \ \stackrel{\textstyle\frown}{\mathrm{BC}} = 51^{\circ}\)

• Calcula los valores de los arcos \(\stackrel{\textstyle\frown}{\mathrm{CB}}\) y \(\stackrel{\textstyle\frown}{\mathrm{AD}}\) en la siguiente figura.

  
  • \(\stackrel{\textstyle\frown}{\mathrm{CB}} = 31^{\circ}, \ \stackrel{\textstyle\frown}{\mathrm{AD}} = 54^{\circ}\)
  • \(\stackrel{\textstyle\frown}{\mathrm{CB}} = 26^{\circ}, \ \stackrel{\textstyle\frown}{\mathrm{AD}} = 48^{\circ}\)
  • \(\stackrel{\textstyle\frown}{\mathrm{CB}} = 30^{\circ}, \ \stackrel{\textstyle\frown}{\mathrm{AD}} = 43^{\circ}\)
  • \(\stackrel{\textstyle\frown}{\mathrm{CB}} = 25^{\circ}, \ \stackrel{\textstyle\frown}{\mathrm{AD}} = 57^{\circ}\)