Bagian II
1. Dik: sisi sejajar = 45 cm dan 27 cm
tinggi = 18
Dit: L
jwb:
L = jumlah sisi sejajar x ( t / 2)
= ( 45 + 27 ) x (18/2)
= 72 x 9
= 648 cm²
2. Dik: d1=52 cm , d2=34 cm
L = 1/2 x d1 x d2
= 1/2 x 52 x 34
= 884 cm²
Semoga membantu ya ;)
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Bagian II
1. Dik: sisi sejajar = 45 cm dan 27 cm
tinggi = 18
Dit: L
jwb:
L = jumlah sisi sejajar x ( t / 2)
= ( 45 + 27 ) x (18/2)
= 72 x 9
= 648 cm²
2. Dik: d1=52 cm , d2=34 cm
Dit: L
jwb:
L = 1/2 x d1 x d2
= 1/2 x 52 x 34
= 884 cm²
Semoga membantu ya ;)