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= 120/ 7,5
= 16 cm
keliling = (p+l) x 2
= (16+7,5) x 2
= 23,5 x 2
= 47 cm
☆ semoga membantu ★
luas=120 cm
dit : p dan k
jwb:
L= p.l
120= p.7,5
p=120:7,5
p=16 cm
k=2(p+l)
=2(16+7,5)
=2. 23,5
=47cm