BUTUH BANTUAN SOAL MTK KELAS 9 SMP CARA + JAWABAN

CG² = CF² - DE²
CG² = 225 - 144
CG² = 81
CG = 9 cm

DC = DG - CG
DC = 15 + 9 = 24 cm

luas trapesium = [12 x (15 + 24)]/2
= 234 cm²

luas jejaran genjang = CD x BG = 24 x 8 = 208 cm²

luas total = 208 + 234 = 442 cm²