= sudut lurus - RQS
= 180 - 112
= 68°
= ( sudut lurus - PQR ) : 2
= ( 180° - 56 ) : 2
= 112 : 2
= 56°
#darari
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mencari sudut PQR :
= sudut lurus - RQS
= 180 - 112
= 68°
sudut R :
= ( sudut lurus - PQR ) : 2
= ( 180° - 56 ) : 2
= 112 : 2
= 56°
#darari