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= s × s
= 17 × 17
=289 cm2
Luas segitiga
= 1/2 × alas × tinggi
= 1/2 × 12 × 17
= 12/2 × 17
= 6 × 17
= 102 cm2
Jadi,luas bagun datar tersebut..
= luas persegi + luas segitiga
= 289 + 102
= 391 cm2
Maaf kalo salah ya...
#jikabenarjadiinjawabanterbaikya