nomor 13 dan 14 apa jawabannya

13. ∆ADC = 24 × 10 × ½
= 12 × 10 = 120 cm²
∆BDC = 7 × 10 × ½
= 7 × 5 = 35 cm²
∆ABC = ∆ADC-∆BDC
= 120 - 35 = 85 cm²

14. kurang ahli, maap