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Please help, circle theorems
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Please help, circle theorems

Please help, circle theorems-example-1
User Provash
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1 Answer

9 votes

Answer:

AOD=180°-(32°+90°)=180°-122°=58°(OAD=90°, bcs R (OA) perpendicular on tg (AD)

AC=AOC=AOD=58°

ABC=AC/2=AOC/2=58°/2=29°(the angle inscribed in the circle is half of the arc of the circle under it )

Hope it helps!

User Alexndm
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