mEmesTreAm
mEmesTreAm mEmesTreAm
  • 01-06-2021
  • Mathematics
contestada

PLEASE HELP ME ACE THIS

angle a = ___ degrees

PLEASE HELP ME ACE THIS angle a degrees class=

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hnori22003
hnori22003 hnori22003
  • 01-06-2021

Angle B = ADC arc / 2

32 = ADC arc / 2

ADC arc = 2 × 32

ADC arc = 64

_________________________________

ADC arc + ABC arc = 360

64 + ABC arc = 360

ABC arc = 360 - 60 - 4

ABC arc = 300 - 4

ABC arc = 296

_________________________________

Angle D = ABC arc / 2

x = 296 / 2

x = 148

_________________________________

Angle A = x - 40

Angle A = 148 - 40

Angle A = 108 degrees

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