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Verified answer
Bangun di bagi 2, persegi panjang dan segitigaLuas persegi panjang = 16 x 15
= 240 cm²
Panjang persegi ditarik ke atas, sehingga alas segitiga
menjadi = 4 + 16 + 4
= 24 cm
Mencari tinggi ( t ) segitiga :
t² = 13² - 12²
= 169 - 144
t² = 25
t = √25
t = 5 cm
Luas segitiga = 1/2 x 24 x 5
= 60 cm²
Jadi luas bangun = 240 + 60
= 300 cm²
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