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02-01-2021
Mathematics

contestada

anyone know this geometry question ?

anyone know this geometry question class=

Respuesta :

ChoiSungHyun ChoiSungHyun

02-01-2021

Step-by-step explanation:

Angle ADB + Angle BDC = 90° (right angle)

Since Angle ADB = Angle BDC,

Angle BDC = 90° / 2 = 45°.

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