Jawaban:
luas selimut kerucut
= phi × r × s
= 22/7 × 7 × 15
= 22 × 15
= 330 cm2
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Jawaban:
luas selimut kerucut
= phi × r × s
= 22/7 × 7 × 15
= 22 × 15
= 330 cm2