Mensurationeasy · Past Paper
Find the slant height of a cone whose radius is 3 cm and vertical height is 4 cm.
A5 cm
B7 cm
C6 cm
D25 cm
✓ Correct Answer: A — 5 cm
l = sqrt(r² + h²) = sqrt(3² + 4²) = sqrt(9 + 16) = sqrt(25) = 5 cm.
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