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Anyone know this geometry question ?

Anyone know this geometry question ?-example-1
User Ndim
by
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1 Answer

11 votes

Explanation:

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

Since Angle ADB = Angle BDC,

Angle BDC = 90° / 2 = 45°.

User Jiawei Yang
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4.4k points