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Verified answer
MAPEL = MATEMATIKAKELAS = 8
BAB = BANGUN RUANG
diketahui :
- panjang sisi alas ( s ) = 5cm
- tinggi segitiga tegak ( t ) = 10cm
ditanya = luas permukaan limas?
------- Bangun Ruang Limas Persegi --------
Luas limas = ( L.alas ) + ( 4 × luas sisi tegak )
= ( L. persegi ) + ( 4 × L.segitiga )
= ( 5cm × 5cm ) + ( 4 × 1/2 × 5cm × 10cm )
= ( 25cm² ) + ( 2 × 5cm × 10cm )
= ( 25cm² ) + ( 100cm² )
= 125cm²
jawaban C.
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