Tentukan lebar dan keliling jika diketahui
1. P=8cm
L=32cm
2.P=15cm
L=180
1. P=8cm
L=32cm
2.P=15cm
L=180
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Penjelasan dengan langkah-langkah:
1.
L = p.l
32 = 8l
l = 32/8
l = 4 cm
2.
L = p.l
180 = 15l
l = 180/15
l = 12 cm