Jawab:
L.persegi panjang= p x l - daerah yg diarsir
=10 x 5 - 20
=50 - 20
=30
L.jajargenjang= a x t - daerah yg diarsir
=6 x 8 - 20
48 - 20
=28
L.tidak diarsir= 30 + 28 = 58
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Jawab:
L.persegi panjang= p x l - daerah yg diarsir
=10 x 5 - 20
=50 - 20
=30
L.jajargenjang= a x t - daerah yg diarsir
=6 x 8 - 20
48 - 20
=28
L.tidak diarsir= 30 + 28 = 58