jawaban:
luas balok
= 2(pl+pt+lt)
= 2(29.12+29.6+12.6)
= 2(348+174+72)
= 2(594)
= 1.188
luas Limas
= luas alas + jumlah luas bidang tegak
= 29² + 4 × ½ × alas × tinggi
= 841 + 4 × ½ × 29 × 8
= 841 + 4 × ½ × 232
= 841 + 4 × 116
= 841 + 464
= 1.305cm²
jumlah luas kedua bangun ruang
= luas balok + luas Limas
= 1.188 + 1.305
= 2.493cm²
semoga membantu
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jawaban:
luas balok
= 2(pl+pt+lt)
= 2(29.12+29.6+12.6)
= 2(348+174+72)
= 2(594)
= 1.188
luas Limas
= luas alas + jumlah luas bidang tegak
= 29² + 4 × ½ × alas × tinggi
= 841 + 4 × ½ × 29 × 8
= 841 + 4 × ½ × 232
= 841 + 4 × 116
= 841 + 464
= 1.305cm²
jumlah luas kedua bangun ruang
= luas balok + luas Limas
= 1.188 + 1.305
= 2.493cm²
semoga membantu