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bangun 2 = 29 x 14 = 406 cm2
bangun 3 = 1/2 x 10 x 14 = 1/2 x 140 = 70 cm2
jumlah = 77 + 406 + 70 = 553 cm2
bangun 2 = 29 x 14 = 406 cm2
bangun 3 = 1/2 x 10 x 14 = 1/2 x 140 = 70 cm2
jumlah = 77 + 406 + 70 = 553 cm2