luas = 198 cm²
lebar = 12 cm
keliling
luas = p x l
198 = p x 12
p = 198/12 = 16,5 cm
2(p + l)
2(16,5 + 12)
2(28,5)
57 cm
198 = p(12)
198 = 12p
12p = 198
p = 198/12
p = 16,5 CM
MAKA :
K = 2P + 2L
= (2(16,5) + 2(12) CM
= (33 + 24)CM
= 57 CM
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luas = 198 cm²
lebar = 12 cm
keliling
luas = p x l
198 = p x 12
p = 198/12 = 16,5 cm
keliling
2(p + l)
2(16,5 + 12)
2(28,5)
57 cm
198 = p(12)
198 = 12p
12p = 198
p = 198/12
p = 16,5 CM
MAKA :
K = 2P + 2L
= (2(16,5) + 2(12) CM
= (33 + 24)CM
= 57 CM