4. Perhatikan gambar! Tentukan luas bangun tersebut!
tolong bantu bsk dikumpul
tolong bantu bsk dikumpul
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L = L segitiga + L persegi
= ½ × a × t + s²
= ½ × 10 × 5 + 10 × 10
= 5 × 5 + 100
= 25 + 100
= 125 cm²
=> semoga bermanfaat