let us calculate the slant height of a right circular cone whose circumference is 660/7cm and height is 20 cm
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Answer:
Circumference of cone=2 * 22/7 * R
660/7=2 *22/7 * R
15cm=R
Slant height=√[r² + h²].
= √[ 225+400 ]
= √[ 625]
=25cm
Step-by-step explanation:
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