Luas bangun tersebut
= L. Persegi Panjang - L. Segitiga
= (p . l) - (½ . a . t)
= (42 cm . 32 cm) - (½ . 16 cm . 16 cm)
= 1344 cm² - 128 cm²
= 1216 cm²
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Luas bangun tersebut
= L. Persegi Panjang - L. Segitiga
= (p . l) - (½ . a . t)
= (42 cm . 32 cm) - (½ . 16 cm . 16 cm)
= 1344 cm² - 128 cm²
= 1216 cm²