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23. Cnomor 24
L trapesium = 1/2(a+b)t
= 1/2 (42+82) 48
= 124 x 24
= 2976 cm^2 (B)
nomor 25
L3 persegi panjang = 3(p x l)
= 3 (24 x 14)
= 3 x 336
= 1008 cm^2 (C)
*semoga membantu. sukses selalu ^_^
24. Luas trapesium : 1/2 x (Jumlah Sisi Sejajar) x t
1/2 x (42cm + 82cm) x 48
1/2 x 124cm x 48cm
62cm x 48cm
2976 (B)
25. Gambar tersebut merupakan gabungan 3 persegi panjang , maka luasnya: 3 x (p x l)
3 x (24cm x 14cm)
3 x 336cm
1008