pliss jwb yah bsk mau di kumpulin
Matematika
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Pertanyaan
pliss jwb yah bsk mau di kumpulin
1 Jawaban
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1. Jawaban niesrinaasmadina
FG : CB =20 :30
=2:3
AB = 3/2 x 22
=33 cm
DC =3/2 x 10
=15 cm
EA =√20²-12² =√400-144 =√256 = 16 cm
AD =3/2 x 16
=24 cm
L trapesium ABCD =1/2(DC+AB)xAD
=1/2(15+33)24
=1/2(48)x24
=576 cm²
jawab.D