5. Perhatikan gambar berikut ini! cm 20 cm Luas segitiga ABC adalah.... a. 192 cm b. 90 cm c. 96 cm. d. 120 cm 10
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Penjelasan dengan langkah-langkah:
L.∆ = ½ x a x t
L.∆ = ½ x 20 x 12
L.∆ = ½ x 240
L.∆ = 120 (d.)//