SmokeyRN SmokeyRN
  • 23-01-2021
  • Mathematics
contestada

Please need help on this one

Please need help on this one class=

Respuesta :

ChoiSungHyun
ChoiSungHyun ChoiSungHyun
  • 23-01-2021

Step-by-step explanation:

Since Angle DAB = 90°,

DB is the diameter of the circle.

Therefore m(Arc DA) + m(Arc AB) = 180°.

=> m(Arc AB) = 180° - 47° = 133°.

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