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Mathematics for IGCSE & O level - Mensuration (Section 1 - No. 21)
A cylinder has a radius of 4cm and height of 6cm. What is its surface area
251.3 cm²
150.8 cm²
251.1 cm²
301.6 cm²
Paliwanag
SA = 2πr(r + h) = 2π(4)(4 + 6) = 251.3 cm²
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