Helpppp plz plzzzzzzz
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<u>The angle based on the diameter is always right</u>
Then <ABC=90 and ∠BAC=∠ACB=45° ; and ∠BCD=180-45=135 then x=(180-135):2=22,5°
Note down below rules for sign notations
- (-)(-)=(+)
- (+)(-)=(-)(+)=(-)
- (+)(+)=(+)