25. Jika besar ∠COD = 48° , maka besar ∠ABD adalah .....
A. 56°
B. 62°
C. 66°
D. 68°
A. 56°
B. 62°
C. 66°
D. 68°
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Verified answer
<OC = 180°
<OC = (180 - 48)=
<OC = 132°
MAKA :
<ABD = (1/2(132)
= (1(132)/2
= 132/2
= 66° (C)
Besar <ABD
( <AOC - <COD ) : 2
( 180° - 48° ) : 2
132° : 2
66° ( C )