= 2p + 2l
= 2 ( 50 m ) + 2l
= 160 m - 100 m
= 60 m
= 60/2
= 30 cm (A)
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Penyelesaian :
= 2p + 2l
= 2 ( 50 m ) + 2l
= 160 m - 100 m
= 60 m
= 60/2
= 30 cm (A)