Penjelasan dengan langkah-langkah:
BANGUN DATAR GABUNGAN
AB = 16 cm
BF = 2 × 9 = 18 cm
CE = 2 × 12 = 24 cm
OC = 9 cm
Luas bangun gabungan = Luas jajar genjang ABCD + Luas belah ketupat CDEF
= ( AB × OC ) + ( ½ × BF × CE )
= ( 16 × 9 ) + ( ½ × 18 × 24 )
= 144 + 432
2
= 144 + 216
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Penjelasan dengan langkah-langkah:
BANGUN DATAR GABUNGAN
AB = 16 cm
BF = 2 × 9 = 18 cm
CE = 2 × 12 = 24 cm
OC = 9 cm
Luas bangun gabungan = Luas jajar genjang ABCD + Luas belah ketupat CDEF
= ( AB × OC ) + ( ½ × BF × CE )
= ( 16 × 9 ) + ( ½ × 18 × 24 )
= 144 + 432
2
= 144 + 216
= 360 cm² ✔