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Verified answer
✔ Mapel = Matematika✔ Kelas = 5 SD
✔ Materi = Bangun Datar
✔ Kata kunci = Luas
Penyelesaian :
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Luas Trapesium
= ½ x (a + b) x t
= ½ x (144 + 216)cm x 120 cm
= 60 cm x 360 cm
= 21600 cm²
Luas ½ Lingkaran
= ½ x 22/7 x 42 cm x 42 cm
= 11 x 6 cm x 42 cm
= 2772 cm²
Luas Yang diarsir
= 21600 cm² - 2772 cm²
= 18.828 cm²
Semoga Membantu :)