The curved surface area of a cylinder 5cm high is 110cm2. Find the radius of its = \(\frac{22}{7}\)
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Correct Answer: Option B
Explanation:
Curved surface area of cylinder = 2Ï€rh
110 = 2 × \(\frac{22}{7}\) × r × 5
r = \(\frac{110 \times 7}{44 \times 5}\)
= 3.5cm
Curved surface area of cylinder = 2Ï€rh
110 = 2 × \(\frac{22}{7}\) × r × 5
r = \(\frac{110 \times 7}{44 \times 5}\)
= 3.5cm