Mohon cepat bantuannya di kumpulkan 4 jam dari sekarang
penyelesaian :
= L belah ketupat - L persegi panjang
= ½ × d1 × d2 - p × l
= ½ × 72 × 28 - 25 × 15
= 1.008 - 375
= 633 cm²
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[answer.2.content]