Jawaban:
814 cm²
Penjelasan dengan langkah-langkah:
Luas permukaan kerucut = luas selimut + luas alas
= 22/7 x 7 cm x 30 cm + 22/7 x 7 cm x 7 cm
= 660 cm² + 154 cm²
= 814 cm²
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Jawaban:
814 cm²
Penjelasan dengan langkah-langkah:
Luas permukaan kerucut = luas selimut + luas alas
= 22/7 x 7 cm x 30 cm + 22/7 x 7 cm x 7 cm
= 660 cm² + 154 cm²
= 814 cm²