Mensurationeasy · Past Paper
Find the slant height of a cone if the curved surface area is 188.4 sq. cm and the radius is 6 cm. (Use π = 3.14)
A10 cm
B8 cm
C12 cm
D7 cm
✓ Correct Answer: A — 10 cm
πrl = 188.4. 3.14 * 6 * l = 18.84 * l = 188.4. l = 10 cm.
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